All Patents in class 408/153 |
Patents 1 -
10
of 41
      |
Picture | Number | Date | Patentee | Title |
 | 14,968 | May 27, 1856 | W.B. Carter, H.L. Mooney | Tool for boring hubs |
 | 25,348 | Sep. 06, 1859 | H. Pennie | Bit for Cutting Circular Washers |
 | 173,780 | Feb. 22, 1876 | J.J. Grant | Improvement in screw-cutting dies |
 | 251,686 | Jan. 03, 1882 | B.F. Allen | Boring-machine |
 | 422,024 | Feb. 25, 1890 | A.B. Landis | Screw-cutting head |
 | 453,767 | Jun. 09, 1891 | J. Addison | Tool for Cutting Holes and Washers |
| 858,485 | Jul. 02, 1907 | A. Thompson | Combined Tool Post Die Holder and Adjustable Threading Tool |
| 925,181 | Jun. 15, 1909 | L.F. Hart | Screw Cutting Device |
 | 1,017,888 | Feb. 20, 1912 | A.B. Landis | Cutter-head |
 | 1,165,859 | Dec. 28, 1915 | O. Ebert | Hollow Mill |