| Patents for J. Fred. Acker |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 450,892 | Apr. 21, 1891 | W.H. Potter | Scriber | scribes |
| 461,714 | Oct. 20, 1891 | J. Ryan | Pipe Wrench | pipe wrenches |
| 476,079 | May 31, 1892 | J. Ryan | Wrench | wrench handle components |
| 529,632 | Nov. 20, 1894 | W.N. Smith | Wrench | pipe and nut combination wrenches |
| 538,639 | Apr. 30, 1895 | W.R. Hale, F.J. Bourn | Wrench | axle nut wrenches that lock nut to wheel hub |
| 542,922 | Jul. 16, 1895 | W.H. Brock | Flange Wrench | flange wrenches |
| 554,991 | Feb. 18, 1896 | L.P. Davidson | Wrench | quick adjust wrenches |
| 572,035 | Nov. 24, 1896 | W.C. Stokes | Wrench | screw adjust wrenches |
| 572,808 | Dec. 08, 1896 | M. Killian | Tool For Miners' and Blasters' Use | pliers |
| 573,651 | Dec. 22, 1896 | L.L. Hall | Wench | quick adjust wrenches |
| 573,702 | Dec. 22, 1896 | F. Colman, J. Richard | Wrench | chain and strap wrenches |
| 576,487 | Feb. 02, 1897 | W. Vessey | Wrench | quick adjust wrenches |
| 584,019 | Jun. 08, 1897 | H.A. Smith | Elgin Wrench. | alligator wrenches |
| 599,194 | Feb. 15, 1898 | M.H. Poor | Tool | wrench combination tools |
| 611,499 | Sep. 27, 1898 | C.S. Metcalfe | Wrench | auxiliary levers on wrenches |
