| All Patents in class 76/89.2 |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| 147,536 | Feb. 17, 1874 | B.D. Whitney | Improvement in sharpening-machines | sharpening machines |
| 383,882 | Jun. 05, 1888 | W.J. Hogan | Turning Lathe | metal lathes |
| 441,758 | Dec. 02, 1890 | E. Gowdy | Burnisher for Plane Cutters | plane blades |
| 806,244 | Dec. 05, 1905 | J.I. Depew | Disk-Sharpener | sharpeners |
| 833,969 | Oct. 23, 1906 | H.C. Lower | Work-holder for power-hammers | power hammers |
| 929,690 | Aug. 03, 1909 | A.L. Myers | Edge Turning Tool for Scraper Blades | scrapers |
| 956,350 | Apr. 26, 1910 | J.E. Hillstrom | Scraper-sharpener | sharpening machines |
| 968,180 | Aug. 23, 1910 | J. Miotke | Sharpening and Setting Device for Scraper Blades | sharpening tools and fixtures |
| 979,831 | Dec. 27, 1910 | J.I. Depew | Disk-Sharpener | sharpeners |
| 1,096,009 | May 12, 1914 | W.H. Ayres | Process of Dressing Up Cutting-Tools | metal lathe accessories and attachments |
| 1,167,371 | Jan. 11, 1916 | J. Allen | Scraper Vise & Burnisher | |
| 1,259,408 | Mar. 12, 1918 | A. Johansen | Knife Sharpener | |
| 1,332,481 | Mar. 02, 1920 | W.H. Ayres | Head for Truing Dies | metal lathe accessories and attachments |
| 1,363,476 | Dec. 28, 1920 | B.S. Loveland | Scraping-tool-forming machine | tool making machines |
| 5,099,722 | Mar. 31, 1992 | R.C. Lee | Cabinet scraper burnishing tool | |
