All Patents of Type: washer cutters |
Patents 1 -
15
of 17
|
Number | Date | Patentee | Title | Type |
25,348 | Sep. 06, 1859 | H. Pennie | Bit for Cutting Circular Washers | washer cutters |
63,882 | Apr. 16, 1867 | A.P. Gruger | Improved Device for Cutting Washers | washer cutters |
94,870 | Sep. 14, 1869 | W.A. Clark | Improved Washer-Cutter | washer cutters |
107,700 | Sep. 27, 1870 | P. McCormick | Improvement in Washer-Cutters | washer cutters |
160,015 | Feb. 23, 1875 | D. Goodnow, Jr. | Improvement in Devices for Cutting out Sheet-Metal Washers | washer cutters |
168,607 | Oct. 11, 1875 | E. Brule | Improvement in Washer-Cutters | washer cutters |
177,982 | May 30, 1876 | J.S. Appleton | Improvement in Washer-Cutters | washer cutters |
209,726 | Nov. 05, 1878 | W.F. Tilton | Improvement in Devices for Cutting Washers | washer cutters |
217,505 | Jul. 15, 1879 | R.J. Bartley | Improvement in Washer-Cutters | washer cutters |
256,979 | Apr. 25, 1882 | J.W. Cooper | Washer Cutter and Adjustable Bit | washer cutters |
268,509 | Dec. 05, 1882 | C.C. Maltby | Washer-Cutter | washer cutters |
296,219 | Apr. 01, 1884 | J. Rath | Washer-cutter | washer cutters |
310,527 | Jan. 06, 1885 | H.E. Koepka | Washer-Cutter | washer cutters |
453,767 | Jun. 09, 1891 | J. Addison | Tool for Cutting Holes and Washers | washer cutters |
457,227 | Aug. 04, 1891 | J.L. Sigsbee | Device for Cutting Disks and Washers | washer cutters |