The inventor's universal educator : An educational cyclopaedia and guide for inventors, patentees, manufacturers, mechanics and all others connected directly or indirectly with patents (1906)
Dieterich, Fred G., 1858-1923, comp · Washington, D.C. : F. G. Dieterich · leaf 27
possibility of your inventionbeing new and patentable. It is not absolutely necessary (though desirable), nor is it possible to obtain a founda-tion or pioneer claim for an improvement on an old well-known device or machine, to make a patent, for suchimprovement thereon valuable. The inventor… … U. S CAPITOL. 22 PART TWO 600. ■ ■ MECHANICAL MOVEMENTS, Relating to Pneumatics, Dynamics, Hydrostatics, Hydraulics, Steam Engineering, All Kinds of Gearing, Presses, Horology, Miscel= laneous Machinery, Rotary Engines, Bicycle Gearing, Cash Register and Typewriter Movements. ALL PLATES AND TEXT…
Patents · Mechanical movements
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