Patents for Silver & Deming Mfg. Co. |
Patents 1 -
11
of 11
|
Number | Date | Patentee | Title | Type |
133,342 | Nov. 26, 1872 | A.R. Silver | Improvement in Meat-Stuffers | butcher |
151,444 | May 26, 1874 | E.W. Fawcett, A.R. Silver | Improvement in Metal Drilling Machines | drill presses |
194,232 | Aug. 14, 1877 | E.W. Fawcett | Improvement in presses for lard, fruit, &c. | meat or fruit press |
204,209 | May 28, 1878 | E.W. Fawcett | Improvement in meat-choppers | butcher |
216,264 | Jun. 10, 1879 | E.W. Fawcett | Improvement in metal-drilling machines | drill presses |
216,536 | Jun. 17, 1879 | E.W. Silver | Improvement in meat-choppers | butcher |
257,871 | May 16, 1882 | J. Humphreys, Jr. | Pump | rotary pumps |
367,374 | Aug. 02, 1887 | F.B. Deming | Rotary pump | |
371,518 | Oct. 11, 1887 | C.H. Betts, A. Potter | Double-acting force-pump | |
374,945 | Dec. 20, 1887 | F.B. Deming | Hub-Boring Machine | |
424,434 | Mar. 25, 1890 | E.W. Silver | Feed-cutter | |