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| All Patents in class 76/28 | |||||
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| Number | Date | Patentee | Title | Type | |
| 18,114 | Sep. 01, 1857 | J.N. Wilkins | Machine for planing saw-teeth | saw sharpening machines | |
| 190,142 | May 01, 1877 | J.A. House | Art of manufacturing saw blades | making sawblades | |
| 339,641 | Apr. 13, 1886 | G.W. Griffin | Machine for making saws | tool making machines | |