Patents for William W. Griscom |
Patents 1 -
7
of 7
|
Number | Date | Patentee | Title | Type |
227,622 | May 18, 1880 | W.W. Griscom | Electro-Magnetic Motor | DC motors |
227,623 | May 18, 1880 | W.W. Griscom | Electro-Magnetic Motor | DC motors |
228,888 | Jun. 15, 1880 | W.W. Griscom | Regulating Electro-Magnetic Motors | motor regulators |
356,834 | Feb. 01, 1887 | W.W. Griscom | Electric motor | DC motors |
397,424 | Feb. 05, 1889 | H.N. Weidner, W.W. Griscom | Connection of Electrical Circuits | electrical connectors |
408,232 | Aug. 06, 1889 | W.W. Griscom | Means for Propelling Vehicles by Secondary Batteries | electric railroads |
408,233 | Aug. 06, 1889 | W.W. Griscom | Vehicle Motor | electric railroads |