| All Patents in class 15/50.1 |
Patents 1 -
7
of 7
      |
| Picture | Number | Date | Patentee | Title |
 | 1,523,049 | Jan. 13, 1925 | J.A. Campbell | Surfacing machine |
 | 1,971,790 | Aug. 28, 1934 | A.W. Mall | Portable power tool |
 | 2,539,054 | Jan. 23, 1951 | G.W. Breuer, C.W. Lanter, W.R. Lorr | Brush for floor treating machines |
 | 2,624,896 | Jan. 13, 1953 | K.C. Atkin | Rug scrubbing machine |
 | 2,626,412 | Jan. 27, 1953 | W.L. Petersen | Rug scrubbing machine |
 | 2,640,211 | Jun. 02, 1953 | W.L. Petersen | Rug scrubbing machine |
 | 3,099,905 | Aug. 06, 1963 | P.E. Larson, P.G. Rebechini | Portable polishing tool with liquid abrasive |
