| All Patents in class 451/59 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
| | 152,572 | Jun. 30, 1874 | G. Munger | Improvement in the processes for smoothing wood surfaces |
 | 257,612 | May 09, 1882 | J. Renshaw | Method of Revivifying Abrading-Surfaces |
 | 2,624,158 | Jan. 06, 1953 | F.E. Hendrickson | Buffing machine |
| | 2,723,505 | Nov. 15, 1955 | F.G. Krafft | Method and Apparatus for Surface Finishing |
| | 3,269,065 | Aug. 30, 1966 | J.A. Nylund | Sanding apparatus |
 | 3,509,667 | May 05, 1970 | K.L. Lindmark | Method of grinding welded rail |
 | 3,654,738 | Apr. 11, 1972 | L.S. Sternal | Method of and apparatus for effecting superior sanding |
 | 3,816,998 | Jun. 18, 1974 | H.W. Grivna, D.C. Elm | Method of and apparatus for rapidly abrading metal workpieces |
| | 4,038,784 | Aug. 02, 1977 | H.W. Grivna | Method and apparatus for cross grain abrading to produce a rough sawn effect |
 | 4,407,096 | Oct. 04, 1983 | C.I. Steinback | Method and apparatus for surface grinding |
