A COLLECTION

OF

PATENT CASES,

DECIDED IN THE

SUPREME AND CIRCUIT COURTS

OF THE

UNITED STATES,

FROM THEIR ORGANIZATION TO THE YEAR 1850.

WITH

NOTES, AND A COPIOUS INDEX TO THE SUBJECT-MATTER.

Entered according to Act of Congress, in the year 1854, by LITTLE, BROWN AND COMPANY, in the Clerk's Office of the District Court of the District of Massachusetts.

323619

RIVERSIDE, CAMBRIDGE:

PRINTED BY H. O. HOUGHTON AND COMPANY.

Greenwood et al., (Hotchkiss, Executrix, v.)

510

206

730