| All Patents in class 451/178 |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 14,421 | Mar. 11, 1856 | J.W. Bicknell, H.D. Stover | Machine for cutting irregular forms | wood shapers |
| 130,014 | Jul. 30, 1872 | C. Burkholder | Improvement in Grindstones | grinders |
| 238,549 | Mar. 08, 1881 | L.J. Baker | Machine for Grinding Knives, &c. | sharpening machines |
| 273,970 | Mar. 13, 1883 | W.H. Doane | Sand-paper machine | sanding machines |
| 337,515 | Mar. 09, 1886 | S.I. Phelps | Molding-polisher | sanding machines |
| 341,867 | May 18, 1886 | L.W. Andrews | Grinding-machine | grinding wheels |
| 405,389 | Jun. 18, 1889 | E.F. Autenrieth | Planer-matcher | matchers |
| 799,641 | Sep. 19, 1905 | W.R. Fox | Grinding-machine | cutter grinding |
| 973,135 | Oct. 18, 1910 | A.B. Nutting | Buffing and polishing machine | bench or pedestal grinders |
| 1,153,479 | Sep. 14, 1915 | E.F. Beugler | Combined belt- and drum-sanding machine | sanding machines |
| 1,246,958 | Nov. 20, 1917 | J.T. Lindsey | Machine for rounding corners | belt sanders |
| 1,949,511 | Mar. 06, 1934 | C.G. Flygare | Grinding machine table operating mechanism | grinders |
| 2,155,072 | Apr. 18, 1939 | H.W. Zimmerman | Machine for sizing and finishing bores | boring and turning machines |
| 2,180,079 | Nov. 14, 1939 | L.A. Wilkie | Convertible sawing and abrading machine | metal cutting bandsaws |
| 2,483,369 | Sep. 27, 1949 | H. Eick, A. Loucony | Sanding machine | sanding machines |
