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Patent Office Examinations of Novelty of Inventions

A New Commissioner of Patents

The Working Power of Man

Aspects of the Planets for April - 1885

Improved Barbed Wire Fence

Friction Roller Bearing

Steam Engine Governor

Improved Tire Tightener

Improved Car Coupling

Tchebichef's Walking Machine

Artificial Ear Drum

The New York Trade Schools

Hand Propeller for Boats

Improved Hydraulic Shearing Machine

Machine for Sewing Linings in Hat Bodies

Migration of Blowing Vipers

By C. Few Seiss


The Columbia Two Track Tricycle

The Rudder of the Alaska

Miscellaneous Inventions - March 28, 1885

Engineering Inventions - March 28, 1885

Agricultural Inventions - March 28, 1885


  • Departments

    Business and Personal - March 28, 1885

  • Notes and Queries - March 28, 1885

  • Index of Inventions - March 28, 1885

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March 28, 1885

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