All Patents in class 439 |
Patents 16 -
30
of 45
|
Number | Date | Patentee | Title | Type |
1,690,118 | Nov. 06, 1928 | F.G. Julyan | Battery connecter | electric batteries |
1,704,515 | Mar. 05, 1929 | H.V. Rau | Socket for vacuum tube | electronic circuitry and apparatus |
1,708,961 | Apr. 16, 1929 | C.C. Abbot | Electric Heater | |
1,722,816 | Jul. 30, 1929 | L.F. Meunier | Cable connection for portable tools | handheld power tools |
1,739,019 | Dec. 10, 1929 | H.E. Smith | Electric connection | electrical devices |
1,758,775 | May 13, 1930 | C.C. Abbot | Heat Dissipating Device | |
1,794,673 | Mar. 03, 1931 | F.L. Creager | Spark Plug Cover | ignition systems |
1,815,233 | Jul. 21, 1931 | J. Burke | Terminal block | electrical connectors |
1,966,379 | Jul. 10, 1934 | H.C. Dodge, G.H. Nobbs | Socket fixture | |
2,233,124 | Feb. 25, 1941 | W.C. Furnas | Electric Contact | electric switches |
2,278,951 | Apr. 07, 1942 | W.L. Thomas, N.J. Smith | Illuminated Dial Instrument | industrial recording apparatus |
2,302,031 | Nov. 17, 1942 | I. Jacobson | Photographic Apparatus | camera flash lighting apparatus |
2,329,011 | Sep. 07, 1943 | O. Steiner | Photographic Flash Synchronization Equipment | camera flash lighting apparatus |
2,455,786 | Dec. 07, 1948 | C.W. Lanter | Handle for portable blowers | blowers |
2,461,687 | Feb. 15, 1949 | F.P. Hopfeld | Welder's clamp | C clamps |