All Patents in class 83/917 |
Patents 1 -
10
of 14
      |
Picture | Number | Date | Patentee | Title |
| 1,458 | Dec. 31, 1839 | T.J. Butler | Mode of Cutting Seats, Slots, or Grooves for the Reception of Keys in the Hubs and Axles of Car-Wheels and in other Machinery |
 | 20,539 | Jun. 15, 1858 | J.G. Baker | Machine for cutting glaziers' tins |
 | 133,190 | Nov. 19, 1872 | S. Bevan | Improvement in machines for cutting teeth of saws |
 | 207,456 | Aug. 27, 1878 | H.C. Strong | Improvement in saw-gummers |
| 285,091 | Sep. 18, 1883 | E.M. Wilbor | Machine for Cutting Sheet Metal |
| 331,613 | Dec. 01, 1885 | W.H. Campbell, C.B. Campbell | Machine for Gooving Metal Rolls |
| 361,536 | Apr. 19, 1887 | C. Miller | Method of uniting the ends of band-saws |
 | 1,531,287 | Mar. 31, 1925 | J. Jensen | Angle-Iron Notcher |
| 3,033,066 | May 08, 1962 | E. Coulon | Apparatus for Slotting the Ends of Tubing |
| 3,153,360 | Oct. 20, 1964 | E.I. Coulon | Apparatus for Slotting the Ends of Tubing |