| All Patents in class 408/147 |
Patents 16 -
30
of 46
      |
| Number | Date | Patentee | Title | Type |
| 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 |
| 274,470 | Mar. 27, 1883 | J.T. Detterer | Hub-boring machine | drilling and boring |
| 296,219 | Apr. 01, 1884 | J. Rath | Washer-cutter | washer cutters |
| 310,527 | Jan. 06, 1885 | H.E. Koepka | Washer-Cutter | washer cutters |
| 326,342 | Sep. 15, 1885 | J.C. Smith | Adjustable Concentric Channeler | adjustable drill bits |
| 352,139 | Nov. 09, 1886 | J. Leuenberger | Washer or gasket cutter | |
| 419,174 | Jan. 14, 1890 | J.A. Becher | Revolving Turret Bolt Threading Machine | metal threading machines |
| 426,228 | Apr. 22, 1890 | J.A. Becher | Screw Cutting Die Head | tap and die holders |
| 430,358 | Jun. 17, 1890 | R. Burns, H. Westbrook | Screw Cutting Device | taps and dies |
| 444,810 | Jan. 20, 1891 | A. Bonner | Hub-boring machine | wheelwright |
| 501,942 | Jul. 25, 1893 | C.A. Higbee | Tool for trimming screw-threads | metal threading machines |
| 505,322 | Sep. 19, 1893 | M.R. Moss | Reaming Bit | adjustable drill bits |
| 642,310 | Jan. 30, 1900 | F.A. Errington | Automatically Opening or Closing Die | taps and dies |
