| All Patents in class 29/DIG.83 | 
| Patents 1 - 
					5
					of 5 
       | 
| Number | Date | Patentee | Title | Type | 
| 108,822 | Nov. 01, 1870 | J.S. Lane, J.H. Pitkin | Machine for Grinding and Polishing Metal | polishing and buffing machinery | 
| 889,680 | Jun. 02, 1908 | C.L. Hawes | Polishing Machine | polishing machines | 
| 1,255,230 | Feb. 05, 1918 | F. Roese | Dust Receiver for Grinding and Polishing Machines | polishing and buffing machinery | 
| 2,377,271 | May 29, 1945 | R. Schümann | Flexible Shaft And Air-Cooled Hand Piece | handheld power tool accessories | 
| 2,452,268 | Oct. 26, 1948 | R. Schümann | Motor Hand Tool Assembly | handheld grinders |