| All Patents in class 15/50.1 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 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 | electrical devices |
| 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 | |
