| All Patents in class 451/401 |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 763,315 | Jun. 21, 1904 | J.M. Nash | Machine for reducing wood or other material |
| | 1,203,844 | Nov. 07, 1916 | A.C. Page, C. Booth | Grinding Machine |
| | 1,628,618 | May 10, 1927 | H.K. Spencer | Means For Handling Articles |
| | 1,632,600 | Jun. 14, 1927 | F.O. Hoagland | Internal Grinding Machine |
| | 1,732,119 | Oct. 15, 1929 | A.L. Brown | Automatic combined turning lathe and sander for woodwork |
| | 1,753,590 | Apr. 08, 1930 | F.K. Benedict | Workholder for bar-grinding machines |
 | 2,138,264 | Nov. 29, 1938 | A.L. Warner | Work holder for mower sections |
| | 2,166,461 | Jul. 18, 1939 | G.A. Carlson | Work supporting table |
| | 2,604,740 | Jul. 29, 1952 | H.C. Perkins | Machine for yieldably presenting work to buffing or polishing wheels or belts |
| | 2,622,375 | Dec. 23, 1952 | W. Trible, F.S. Haas | Grinding Machine |
