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| Patents for J. Fred Acker | |||||
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| Number | Date | Patentee | Title | Type | |
| 477,158 | Jun. 14, 1892 | C. Sprewitz | Veneering-machine | veneer machines | |
| 538,119 | Apr. 23, 1895 | J.B. Olney | Billiard Cue Cutter | ||
| 544,587 | Aug. 13, 1895 | W. Moore | Plumb and Level | levels | |
| 561,823 | Jun. 09, 1896 | J. Shafer | Wrench | axle nut wrenches | |
| 603,530 | May 03, 1898 | E. Henwood | Wrench | quick adjust wrenches | |
| 762,035 | Jun. 07, 1904 | W.F. Folmer | Magazine Film Holder | film and plate holders | |