| All Patents in class 451/453 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 354,690 | Dec. 21, 1886 | H. Cleary | Tool-holder for grindstones | bench or pedestal grinders |
| 427,869 | May 13, 1890 | R.H. Hurlburt | Attachment for Lathes | metal lathe accessories and attachments |
| 982,166 | Jan. 17, 1911 | A.A. Wood | Grinding-Machine | sharpening machines |
| 1,254,111 | Jan. 22, 1918 | W.F. Barry | Grinding or Polishing Apparatus | polishing and buffing machinery |
| 1,255,230 | Feb. 05, 1918 | F. Roese | Dust Receiver for Grinding and Polishing Machines | polishing and buffing machinery |
| 2,198,876 | Apr. 30, 1940 | R.E. Wolfe, R.F. Kneisley | Floor surfacing machine | sanding machines |
| 3,032,940 | May 08, 1962 | D.E. Sutton | Mechanical device | |
