| All Patents in class 76 |
Patents 1411 -
1425
of 1715
      |
| Number | Date | Patentee | Title | Type |
| 1,332,481 | Mar. 02, 1920 | W.H. Ayres | Head for Truing Dies | metal lathe accessories and attachments |
| 1,333,767 | Mar. 16, 1920 | C. Napier | Method of making tempered blades | making sawblades |
| 1,349,330 | Aug. 10, 1920 | J. Ditson | Fluid-operated vise | vise mechanisms |
| 1,352,140 | Sep. 07, 1920 | C. Napier | Tempered blade | making sawblades |
| 1,355,780 | Oct. 12, 1920 | G. Richards | Machine for Backing Off the Teeth of Hobs for Cutting Screw Threads | backing off lathes |
| 1,363,476 | Dec. 28, 1920 | B.S. Loveland | Scraping-tool-forming machine | tool making machines |
| 1,368,698 | Feb. 15, 1921 | E.G. Clare | Saw-set-dressing tool | saw jointers |
| 1,372,738 | Mar. 29, 1921 | S.O. Bjornberg | Method and Machine for Forming Teeth in Saws | saw gummers |
| D57,578 | Apr. 26, 1921 | C. Bodmer | Design for a Saw-Set | saw sets |
| 1,376,438 | May 03, 1921 | W.B. Huther | Inserted-tooth cutter-head and method of making the same | cutterheads |
| 1,378,650 | May 17, 1921 | C. Bodmer | Saw-Set | saw sets |
| 1,379,994 | May 31, 1921 | J.J. Kunzer | Method of Making Drills or the Like | making drills and augers |
| 1,379,995 | May 31, 1921 | J.J. Kunzer | Method of Making Drills or the Like | making drills and augers |
| 1,382,743 | Jun. 28, 1921 | J.F. Pribnow | Saw-swage | saw swages |
| 1,383,707 | Jul. 05, 1921 | W.C. Farnum | Art of making gear-cutters | |
