| All Patents in class 451/162 |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
| | 299,496 | May 27, 1884 | J. Richards | Metal Boring and Slotting Machine |
| | 322,838 | Jul. 21, 1885 | W.C. Margedant | Machine for finishing plow-beams |
| | 422,874 | Mar. 04, 1890 | L.B. Benton | Tool Grinder |
 | 437,284 | Sep. 30, 1890 | W.G. Budlong | Combined metal-working machine |
| | 951,961 | Mar. 15, 1910 | J. Miotke | Filing Device for Scraper Blades |
| | 956,350 | Apr. 26, 1910 | J.E. Hillstrom | Scraper-sharpener |
 | 960,480 | Jun. 07, 1910 | E.N. Boswell, F. Allner | Planer Attachment |
| | 1,113,650 | Oct. 13, 1914 | W.A. Kelsey | Tool Holder |
 | 1,167,371 | Jan. 11, 1916 | J. Allen | Scraper Vise & Burnisher |
| | 3,156,073 | Nov. 10, 1964 | R.H. Strasbaugh | Irregular, Non-Repetitive, Closed-Loop Surfacing Mechanism |
