| All Patents in class 451/311 |
Patents 61 -
75
of 102
      |
| Number | Date | Patentee | Title | Type |
| 2,565,223 | Aug. 21, 1951 | M.B. Gentzel | Belt tightening and aligning mechanism for abrading devices | handheld power sanders |
| 2,575,656 | Nov. 20, 1951 | J.B. Dym, H.D. Coe, Jr. | Means for finishing workpieces of irregular shapes | belt sanders |
| 2,576,745 | Nov. 27, 1951 | H.L. Auten | Machine for buffing, sanding, and the like | handheld power sanders |
| 2,617,239 | Nov. 11, 1952 | G.E. Steurer | Belt sander | handheld power sanders |
| 2,624,158 | Jan. 06, 1953 | F.E. Hendrickson | Buffing machine | belt sanders |
| 2,632,981 | Mar. 31, 1953 | L. Kniep, Jr. | Grinding and polishing machine | belt sanders |
| 2,663,978 | Dec. 29, 1953 | K.L. Lindmark | Lapper for carbide tipped tools | lapping machines |
| 2,674,070 | Apr. 06, 1954 | V.L. Brown, T.B. Thomas | Belt sander | belt sanders |
| 2,686,392 | Aug. 17, 1954 | F.W. Moore | Belt sander | handheld power sanders |
| 2,690,035 | Sep. 28, 1954 | F.G. Eskuchen | Belt sander | belt sanders |
| 2,692,460 | Oct. 26, 1954 | W.D. Roberts | Grinding apparatus for the traveling belt type | metal sanding machines |
| 2,706,367 | Apr. 19, 1955 | D.W. McCarthy | Adjustment means for idler pulley | belt sanders |
| 2,740,238 | Apr. 03, 1956 | S.H. Sharpless | Sanding machine for bowling alleys | belt sanders |
| 2,742,741 | Apr. 24, 1956 | L. Frostad | Tracking mechanism for belt sander | handheld power sanders |
| 2,744,362 | May 08, 1956 | J.G. Stinde, F.L. Gordo | Belt sander | belt sanders |
