| Patents for none listed |
Patents 481 -
495
of 3209
      |
| Number | Date | Patentee | Title | Type |
| 1,311,548 | Jul. 29, 1919 | A.T. Blush | Micrometer | micrometers |
| 1,313,345 | Aug. 19, 1919 | E.C. Smith | Machine For Forming Wrench-Heads | wrench jaw components |
| 1,314,355 | Aug. 26, 1919 | C.H. Newton | Valve Remover | valve spring tools |
| 1,316,346 | Sep. 16, 1919 | B.F. Augustine | Rotary Hydrocarbon Engine | rotary engines |
| D53,969 | Oct. 14, 1919 | E.B. Lake, H.B. Light | Combined Wrench and Tire Tool | automotive specialty wrenches |
| 1,320,547 | Nov. 04, 1919 | E.F. Happensack | Pliers | pliers |
| 1,320,777 | Nov. 04, 1919 | J.L. Mayhew | Tool | pliers |
| 1,320,815 | Nov. 04, 1919 | C.A. Wright | Wrench | chain and strap wrenches |
| 1,321,005 | Nov. 04, 1919 | A. Bowman | Wrench | ratchet wrenches |
| 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 |
