| All Patents in class 384/251 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 487,140 | Nov. 29, 1892 | C.A. Worden | Machine for sharpening razors | |
| 560,001 | May 12, 1896 | J.J. Hurley | Anti Friction Bearing for Lathe Spindles | metalworking machine bearings |
| 705,749 | Jul. 29, 1902 | A.J. Gates | Cornish roll | ore processing apparatus |
| 935,985 | Oct. 05, 1909 | W.E. Reuling, F.G. Hobart | Feed Grinder | corn grinders |
| 989,261 | Apr. 11, 1911 | H.J. Hjorth | End Thrust Adjustment for Machine Spindles | |
| 1,092,160 | Apr. 07, 1914 | H.J. Mitchell | End-thrust bearing | woodworking machine bearings |
| 1,368,790 | Feb. 15, 1921 | R.E. Flanders | Metal-Working Machine | metal lathes |
