All Patents in class 470 |
Patents 346 -
360
of 768
|
Number | Date | Patentee | Title | Type |
635,324 | Oct. 24, 1899 | R. Kilburn | Tap for Forming Screw Threads | taps and dies |
642,309 | Jan. 30, 1900 | F.A. Errington | Automatically Opening or Closing Die for Cutting Screw Threads, &c. | taps and dies |
643,553 | Feb. 13, 1900 | O. Sroka | Attachment for Screw Cutting Machines | metal lathe accessories and attachments |
649,733 | May 15, 1900 | J.P. Lavigne | Die Head | |
670,672 | Mar. 26, 1901 | G.W. Hoadley | Combination Metal and Wood Working Machine | drilling and boring |
679,927 | Aug. 06, 1901 | W.A. Warman | Method of Making Screws | |
680,217 | Aug. 13, 1901 | J.R. Blakeslee | Rivet Making Machine | rivet making machines |
686,577 | Nov. 12, 1901 | B. Borden | Pipe Threading Machine | pipe threading machines |
687,407 | Nov. 26, 1901 | W. Runge | Drilling and tapping attachment for drill-presses | metalworking machines |
687,804 | Dec. 03, 1901 | H. Wharton | Die or Tool Holder | taps and dies |
688,653 | Dec. 10, 1901 | F. Lambert | Tool-operating machine | drill presses |
691,198 | Jan. 14, 1902 | J. Staphans | Bolt Pointing Machine | metalworking machines |
702,011 | Jun. 10, 1902 | J. Kinvall | Device for Removing Broken Taps | tap extractors |
713,004 | Nov. 04, 1902 | J. Hunter | Tool Holder | tap and die holders |
717,199 | Dec. 30, 1902 | G.H. Hollm | Tapping Fixture | tap and die holders |