| Patents for J. A. Willson |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 591,167 | Oct. 05, 1897 | O. Carlson, A. Hammarstrom | Wrench | ratchet wrenches |
| 591,196 | Oct. 05, 1897 | W.E. Pugsley | Nut and Pipe Wrench | alligator wrenches |
| 592,068 | Oct. 19, 1897 | J.W. Taylor | Wrench | quick adjust wrenches |
| 603,377 | May 03, 1898 | J.H. Fitch | Combined Drill and Wrench | ratchet wrenches |
| 609,146 | Aug. 16, 1898 | H.C. Hart | Wrench | bicycle or pocket wrenches |
| 611,771 | Oct. 04, 1898 | D.A. Cheney | Wrench | quick adjust wrenches |
| 614,610 | Nov. 22, 1898 | D. Dickey | Wrench | quick adjust wrenches |
| 620,662 | Mar. 07, 1899 | J.R. Morris | Pliers | pliers type wrenches |
| 631,801 | Aug. 29, 1899 | C. Bongfeldt, R.L. Levin | Wrench. | spoke nipple wrenches |
