James A. Cutting... Rich'd. F. Loper & John W. Nystrom. Philadelphia, Pa. Frederick P. Dimpfel. .. ... Francis B. Stevens, Philadelphia, Pa. May 6, 1851. April 15, 1851. New York, N. Y. July 1, 1851. New York, N. Y. Valve side, method of connecting the, with the rock-shaft. Samuel H. Gilman.. Cincinnati, O.. Mar. 25, 1851. Jan. 1, 1851. Date of patent. CLASS VII-Navigation and maritime implements, comprising all vessels for conveyance on water, their construction, rigging, and propulsion, diving dresses, life-preservers, &c. July 29, 1851. New York, N. Y. Detroit, Michigan. Chandos Hoskins.. Charles F. Brown. New Orleans, La. Warren, R. I....... June 10, 1851. Thos. H. Mortimer & Jas. M. Gardner. Charleston, S. C... May 13, 1851. Nov. 25, 1851; French patent dated Jan. 11, 1851. V.-Classified list of patents, &c.—Continued. Vessels, flexible hose or float for supporting. Vessels, method of raising sunken..... CLASS VIII.-Mathematical, philosophical, and optical instruments, including clocks, chronometers, &c. |