| All Patents in class 451/127 |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 399,344 | Mar. 12, 1889 | J.M. Petersen | Machine for fitting the ends of band-saws |
| | 409,337 | Aug. 20, 1889 | E.B. Rich | Machine for grinding knives and saws |
| | 523,882 | Jul. 31, 1894 | M. Covel | Saw Dressing Machine |
 | 1,130,454 | Mar. 02, 1915 | J. Wegner | Shaping Machine |
 | 1,364,324 | Jan. 04, 1921 | J. Siakel | Sandpapering-machine |
| | 1,989,792 | Feb. 05, 1935 | J.C. Drader | Automatic Machine Tool |
| | 2,111,271 | Mar. 15, 1938 | L.F. Nenninger | Apparatus for Lapping |
 | 2,741,070 | Apr. 10, 1956 | A.A. Muehling | Swing grinder |
 | 2,750,714 | Jun. 19, 1956 | A.A. Muehling | Swing grinder |
 | 3,245,176 | Apr. 12, 1966 | A.A. Muehling | Grinding machine |
