| All Patents in class 76/37 |
Patents 16 -
21
of 21
      |
| Number | Date | Patentee | Title | Type |
| 1,803,934 | May 05, 1931 | C.V. East | Saw Sharpener | saw sharpening machines |
| 2,249,743 | Jul. 22, 1941 | E.J. Bucknam | Saw sharpening apparatus | saw sharpening machines |
| 2,651,219 | Sep. 08, 1953 | F.M. Burton, R.S. Tower | Saw Sharpener | saw sharpening machines |
| 3,006,222 | Oct. 31, 1961 | J. McEwan | Apparatus for sharpening chain saws | |
| 4,242,926 | Jan. 06, 1981 | N.T. Anton | Device for sharpening saw chains | chainsaw sharpeners |
| 5,048,236 | Sep. 17, 1991 | C.C. Williams | Saw Blade Tooth Grinder for Saws | saw sharpening machines |
