| All Patents in class 451/439 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 647,696 | Apr. 17, 1900 | B.L. Clover | Machine for Turning Off Crank Pins, &c. | crank pin lathes |
| 692,428 | Feb. 04, 1902 | F.H. Clement | Band resawing-machine | band resaws |
| 800,962 | Oct. 03, 1905 | C.B. Wattles | Floor-dressing machine | |
| 4,428,158 | Jan. 31, 1984 | J.J. Fatula, Sr. | Method and apparatus for grinding irregular surfaces | grinders |
| 5,106,243 | Apr. 21, 1992 | C.C. Hunt | Portable Machine Tool | portable milling machines |
| 5,125,299 | Jun. 30, 1992 | D.S. Strait | Portable Machine Tool | portable metal drilling machines |
