All Patents of Type: watchmaking machinery |
Patents 1 -
12
of 12
|
Number | Date | Patentee | Title | Type |
4,728X | Apr. 03, 1827 | J.S. Davis | Making watch keys | watchmaking machinery |
20,942 | Jul. 20, 1858 | E. Field | Watch Case Making | watchmaking machinery |
23,820 | May 03, 1859 | J. Boss | Manufacture of Watch Cases | watchmaking machinery |
94,208 | Aug. 31, 1869 | C. Hopkins | Re-Jewelling Watches | watchmaking machinery |
104,755 | Jun. 28, 1870 | C.S. Moseley | Punching Watches | forging dies |
244,438 | Jul. 19, 1881 | C.E. Dodge | Machine and Device for End Shaking Watch Trains | watchmaking machinery |
301,314 | Jul. 01, 1884 | C.V. Woerd | Machine for Turning Watch Case Centers | watchmaking machinery |
310,910 | Jan. 20, 1885 | C. Piquerez | Watch Case Graving Machine | watchmaking machinery |
319,072 | Jun. 02, 1885 | J. Cook | Watchmakers Wheel Cutting Engine | watchmaking machinery |
380,499 | Apr. 03, 1888 | F. Leman | Manufacture of Pinion Blanks | watchmaking machinery |
584,987 | Jun. 22, 1897 | D.H. Church | Drilling Machine | horizontal drilling machines |
659,778 | Oct. 16, 1900 | A.R. Weaver | Lathe Chuck for Grinding Watch Crystals | watchmaking machinery |