Patents for James Clark Jr. Electric Co. |
Patents 1 -
6
of 6
|
Number | Date | Patentee | Title | Type |
750,744 | Jan. 26, 1904 | J.F. Willey | Portable drill | handheld power tools |
999,935 | Aug. 08, 1911 | C.E. Willey | Construction of electric motors and dynamos | electric motors |
1,089,597 | Mar. 10, 1914 | F.W. Stefater | Squirrel-cage rotor | induction motors |
1,143,008 | Jun. 15, 1915 | C.E. Willey | Automobile or train lighting system | |
1,502,169 | Jul. 22, 1924 | C.B. Bennett | Electric tool | handheld power drills |
2,446,363 | Aug. 03, 1948 | E.W. Daum | Combination positive clutch and torque responsive friction coupling | handheld power tools |