| All Patents in class 451/355 |
Patents 16 -
30
of 46
      |
| Number | Date | Patentee | Title | Type |
| 2,204,840 | Jun. 18, 1940 | L.A. Wilkie | Convertible filing machine | filing machines |
| 2,259,941 | Oct. 21, 1941 | E. Primeaux | Surface polisher | handheld power sanders |
| 2,260,949 | Oct. 28, 1941 | A.W. Mall | Portable belt sander | handheld power sanders |
| 2,272,273 | Feb. 10, 1942 | L.E. Parker | Sanding machine | handheld power sanders |
| 2,282,658 | May 12, 1942 | R.F. Kneisley | Sanding belt machine | sanding machines |
| 2,452,206 | Oct. 26, 1948 | H.S. Newton | Sanding machine | belt sanders |
| 2,483,720 | Oct. 04, 1949 | E.M. Asbury | Portable belt type sanding device | handheld power sanders |
| 2,486,255 | Oct. 25, 1949 | T.S. Briskin | Power-driven tool | handheld power sanders |
| 2,507,372 | May 09, 1950 | A.N. Emmons | Belt grinding and polishing device | sanding machines |
| 2,538,044 | Jan. 16, 1951 | E.C. Ruehle | Belt sander attachment for power tools | belt sanders |
| 2,560,102 | Jul. 10, 1951 | J.E. Guinn | Sander | handheld power sanders |
| 2,565,223 | Aug. 21, 1951 | M.B. Gentzel | Belt tightening and aligning mechanism for abrading devices | handheld power 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 |
| 2,647,350 | Aug. 04, 1953 | J.Y. Blazek | Abrasive belt tool | metal sanding machines |
