| Patents for none listed |
Patents 496 -
510
of 3266
      |
| Number | Date | Patentee | Title | Type |
| 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 |
| 1,330,969 | Feb. 17, 1920 | E.J. Woolf | Carbureting System For Internal-Combustion Engines | carburetors |
| 1,331,351 | Feb. 17, 1920 | M.L. Minor | Nutcracker | nutcrackers |
| D54,516 | Feb. 24, 1920 | J.E. Durham, Jr. | Pair of Pliers | pliers |
| 1,332,984 | Mar. 09, 1920 | R.D. Hill | Pipe Tongs | pipe tongs |
