| Patents for none listed |
Patents 481 -
495
of 3142
      |
| Number | Date | Patentee | Title | Type |
| 1,321,187 | Nov. 11, 1919 | H.G. Brower | Wrench | quick adjust wrenches |
| 1,322,722 | Nov. 25, 1919 | D.E. Norris | Wrench | ratchet wrenches |
| 1,323,267 | Dec. 02, 1919 | B.M. Hanson | Precision Boring Machine | vertical boring mills |
| 1,323,268 | Dec. 02, 1919 | B.M. Hanson | Lubricating System | |
| 1,323,603 | Dec. 02, 1919 | A.W. Manzel | Force Feed Lubricator | tool lubricators |
| 1,323,707 | Dec. 02, 1919 | J.A. Mackey | Micrometer | micrometers |
| D54,235 | Dec. 09, 1919 | W.S. Bellows | Tool | wrenches |
| 1,324,269 | Dec. 09, 1919 | A. Placek | Work Holding Device | |
| 1,324,286 | Dec. 09, 1919 | F.J. Vlchek | Apparatus for Forming Dies | |
| 1,327,155 | Jan. 06, 1920 | C. Gottschalk | Scraper | scrapers |
| RE14,791 | Jan. 13, 1920 | B. Watts | Pipe Wrench | quick adjust wrenches |
| 1,329,155 | Jan. 27, 1920 | S.E. Aaron | Pliers | cutting |
| 1,329,161 | Jan. 27, 1920 | R.J. Colson | Wrench | quick adjust wrenches |
| 1,329,456 | Feb. 03, 1920 | T.Z. Carpenter | Gage | measurement gauges |
| 1,329,707 | Feb. 03, 1920 | E.J. Hansen | Combination Tool | can and jar openers |
