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 112
enjoyed by the said , for his own use and behoof, and for the use and behoof of his legal representatives and assigns for the full term of the Letters Patent, and as entirely as the same wouldhave been held and enjoyed by me, had the assignment and sale not been made. I testimony whereof, I have… … U. S. STATE, WAR AND NAVY DEPARTMENT. 107 APPENDIX. DIETERICHS 50 PERPETUAL MOTIONS TEXT AND PLATES COPYRIGHTED1899-1906. 108 PERPETUflL MOTION. The solution of Perpetual Motion apparently still captivates those who believe in the possible successfulsolving of such a machine, thoug^h the vain…
Patents · Mechanical movements
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