lieved might be of service to the cause of the allies or the United States Government. These were independent of applications for patents and were received from all quarters of the globe.

Wherever proposed plans or devices were found practical and of possible or probable value, the attention of that department of the Government most interested therein was directed thereto, or the writers placed in correspondence therewith.

Of these suggestions some two hundred involved disclosure of sufficient merit and importance to be forwarded, and it is believed many of them were approved or adopted by some department or branch of the Government.

OF PERSONAL INTEREST.

Mr. John C. Pennie, senior partner of the firm of Pennie, Davis, Marvin and Edmonds of New York, has been summoned to Paris to act as legal adviser of the American Peace Commission in connection with matters relating to patents and trade-marks. He sailed from New York on the evening of Sunday, March 9th, for Brest and will proceed at once to Paris where he will remain until the work of the Commission is terminated. He will be associated in this work with Mr. Bernard Baruch of the War Industries Board, Mr. Charles H. MacDowell, who has been in charge of the production of chemical and explosive materials for the War Industries Board, Dr. Taussig of the Tariff Commission, and oth

ers.

Mr. Frank E. Barrows has become a member of the firm of Pennie, Davis, Marvin and Edmonds, of New York.

The firm of Brown, Hanson and Boettcher was dissolved Dec. 31, 1918.

Chas. A. Brown, Arthur H. Boettcher and John A. Dienner continue the practice of patent law at 1550 Monadnock Block, Chicago, under the firm name of Brown, Boettcher and Dienner; the same firm continue the Milwaukee office at 1136 Wells Bldg.

Announcement is made of the formation of a new firm of attorneys comprising Messrs. Harry Frease, Arthur W. Bond, Arthur E. Merkel and George W. Saywell, with offices at Cleveland and Canton, Ohio.

The firm of patent attorneys Fenton & Blount, Philadelphia, Pa., have announced that Alston B. Moulton has become a member of the firm.

Mr. John F. Robb, of the firm of Robb & Robb, has left Washington to assume charge of the firm's new office in Cleveland, Ohio.

PARKINS' D. C. APPEALS PATENT CASE CITATOR

With page reference also to Official Gazette and Commissioner's Decisions Complete, covering volumes 1 to 46, Appeal Cases D. C., $2 delivered Compiled and Published by

MISSES A. M. and E. H. PARKINS 614-618 Washington Loan & Trust Building, Washington, D. C. Testimony and Patent Work Examiner in Chancery Notaries Public

Typewriter in attorneys' room, U. S. Patent Office,

FISHER & SMART ON PATENTS

CANADIAN PATENT LAW and PRACTICE

By HAROLD FISHER, B.A., LL. B., of the Ontario Bar, Ottawa, and RUSSEL S. SMART, B.A., M.E., of the Ontario and Quebec Bars, Ottawa

Appendix on Patent Office Practice

By WILLIAM J. LYNCH, I.S.O., Chief of the Canadian Patent Office

his book, published in 1914 with half calf binding at $7.50 in Canada and $8.50 in the United States, has met with a widespread sale, not only in Canada, but among the patent lawyers of the United States, whose clients have business in Canada. The work is the only modern text book on Patent Law in Canada, and is referred to as an authority in all patent suits (see Concrete Appliance Co. v. Rourke 8 W. W. R. 6; Bitulithic & Constructions Limited v. Canadian Mineral Rubber Co. 8 W. W. E. 207). Price $5.00 per copy.

SMART ON TRADE-MARKS

By RUSSEL S. SMART, B.A., M.E., of the Ottawa Bar The only book published in Canada on the law of Trade-Marks and Prac tice before the Registrar and in Courts. Price $4.00.

Crain Printers, Limited 135 Spruce Street

OTTAWA, CANADA

(Cut supplied through courtesy of National Aniline & Chemical Company.)

(See Age of Production in Invention, etc., page 439.)

OF THE

Patent Office Society

Published monthly by the Patent Office Society

Office of Publication 1315 Clifton St., Washington, D. C. Subscription $2.50 a year Single copy 25 cents

EDITORIAL BOARD.

E. D. Sewall, Chairman, Publicity Committee.

G. P. Tucker, Editor-in-Chief.

J. Boyle.

A. W. Davidson.

W. I. Wyman.

W. J. Wesseler, Business Manager, (Room 212, U. S. Patent Office,) 1315 Clifton Street, Washington, D. C. Phone Col. 290.

N. E. Eccleston, Circulation.

Entered as second class matter. September 17, 1918, at the post office at Washington, D. C., under the act of March 3, 1879. Copyright, 1919, by the Patent Office Society.

Publication of signed articles in this journal is not to be understood as an adoption by the Patent Office Society of the views expressed therein. The editors are glad to have pertinent articles submitted.

VOL. I.

MAY, 1919.

No. 9.

EDITORIAL.

Henry IV of France, considered by historians to be one of the greatest sovereigns the French ever had, encouraged his people to develop those arts in which they seemed to have the greatest aptitude. He recognized the artistic ingenuity of his people and encouraged them in the production of things requiring those faculties. To this end he was responsible for the introduction of the silk industry in that country and also of the manufacture of expensive fabrics, rugs, glassware, etc., for which that nation has become famous. His aim was expressed