| All Patents in class 451/355 |
Patents 31 -
45
of 46
      |
| Number | Date | Patentee | Title | Type |
| 2,654,190 | Oct. 06, 1953 | W.G. Mitchell | Portable power-operated abrading machine | handheld power sanders |
| 2,686,392 | Aug. 17, 1954 | F.W. Moore | Belt sander | handheld power sanders |
| 2,722,091 | Nov. 01, 1955 | F.D. Dolan, C.A. Latimer | Power surfacing means | sanding machines |
| 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 |
| 2,774,198 | Dec. 18, 1956 | A.N. Emmons | Portable belt sanding machine | handheld power sanders |
| 2,893,176 | Jul. 07, 1959 | J.P. Bruck | Power surfacing means | handheld power sanders |
| 2,898,712 | Aug. 11, 1959 | N.E. O'Connor | Work tool | handheld power sanders |
| 2,991,595 | Jul. 11, 1961 | W.A. Addis | Power operating belt sanding machine | handheld power sanders |
| 3,029,568 | Apr. 17, 1962 | J.P. Lubas | Belt tension and tracking adjustment device for portable belt sanders | handheld power sanders |
| 3,176,436 | Apr. 06, 1965 | N.T. Anton | Electric belt sander | handheld power sanders |
| 3,334,447 | Aug. 08, 1967 | T.J. Leveque | Sanding machine | handheld power sanders |
| 3,512,307 | May 19, 1970 | R.W. Taylor | Portable sanding machine improvements | handheld power sanders |
| 4,368,597 | Jan. 18, 1983 | E.H. Fleckenstein | Miniature belt grinder | handheld power sanders |
| 4,642,943 | Feb. 17, 1987 | J.R. Taylor, Jr. | Belt abrading apparatus and method | metal sanding machines |
