| All Patents in class 451/307 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 250,455 | Dec. 06, 1881 | F.A. Savage | Spoke-finishing machine | wheelwright |
| 275,954 | Apr. 17, 1883 | J.N. Spencer | Lathe and sander | sanding machines |
| 291,235 | Jan. 01, 1884 | W.E. Sibley | Pencil-sharpener | |
| 339,125 | Apr. 06, 1886 | J.W. Allen | Belt sander for spokes | sanding machines |
| 502,174 | Jul. 25, 1893 | I.L. Price, G.W. Price, G.J. Covert | Machine for grinding spokes | sanding machines |
| 537,274 | Apr. 09, 1895 | C.D. Carroll | Spoke grinding and polishing machine | wheelwright |
| 573,846 | Dec. 29, 1896 | C.D. Ames | Butter-tub sanding machine | sanding machines |
| 701,821 | Jun. 03, 1902 | L.D. Vogel | Machine for sand-finishing tubs, buckets, &c. | sanding machines |
| 741,907 | Oct. 20, 1903 | A.H. Hatfield | Automatic grinding or polishing lathe | sanding machines |
| 763,743 | Jun. 28, 1904 | G.S. Ensign | Polishing machine | sanding machines |
| 977,923 | Dec. 06, 1910 | G.A. Barker | Sandpapering-machine | sanding machines |
| 980,967 | Jan. 10, 1911 | R.D. Kinyon | Barrel-finishing machine | barrel making machines |
| 2,722,788 | Nov. 08, 1955 | O. Thiel | Abrading or polishing machine | polishing and buffing machinery |
| 2,798,340 | Jul. 09, 1957 | W.D. Roberts | Apparatus for grinding internal surfaces | metal sanding machines |
| 3,816,998 | Jun. 18, 1974 | H.W. Grivna, D.C. Elm | Method of and apparatus for rapidly abrading metal workpieces | metal sanding machines |
