| All Patents in class 15/180 |
Patents 1 -
7
of 7
      |
| Picture | Number | Date | Patentee | Title |
| | 134,581 | Jan. 07, 1873 | C. Witteck, B.D. Beiderhase | Devices for Producing Pearl Finish on Metallic Surfaces |
| | 490,682 | Jan. 31, 1893 | H. Roemer | Apparatus for Polishing the Caps of Bottles, &c. |
 | 1,093,820 | Apr. 21, 1914 | C.H. Beach | Vacuum-cleaner |
 | 1,811,037 | Jun. 23, 1931 | F.O. Albertson, G. Olsen | Abrasive disk |
 | 2,103,311 | Dec. 28, 1937 | K.C. Atkin | Drive ring for floor maintenance machine brushes |
 | 2,539,054 | Jan. 23, 1951 | G.W. Breuer, C.W. Lanter, W.R. Lorr | Brush for floor treating machines |
 | 2,605,490 | Aug. 05, 1952 | F.D. Dolan | Rotary brush |
