01106nam a2200313 i 450099100115515970753620020507112015.0970308s1976 us ||| | eng b10181416-39ule_instLE00643063ExLDip.to Fisicaita3:55(091)5(092)6(091)621.3'092'4TK140Post, Robert C.463326Physics, patents and politics :a biography of Charles Grafton Page /Robert C. PostNew York :Science History Publications,1976227 p., 6 leaves of plates :ill. ;24 cm.Electric engineers-United States-BiographyUnited States-Patent Office-History.b1018141621-09-0627-06-02991001155159707536LE006 5(091)+6(091) POS12006000017732le006-E0.00-l- 00000.i1022246727-06-02Physics, patents and politics190750UNISALENTOle00601-01-97ma -engus 01