| Patents for Fred L. Eberhardt |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 308,347 | Nov. 25, 1884 | U. Eberhardt, H.E. Eberhardt | Lathe friction-brake |
 | 496,511 | May 02, 1893 | U. Eberhardt, F.L. Eberhardt, H.E. Eberhardt | Rotary cutter for making similar teeth |
| | 510,121 | Dec. 05, 1893 | U. Eberhardt, H.E. Eberhardt, F.L. Eberhardt | Gear-cutting machine |
 | 510,122 | Dec. 05, 1893 | U. Eberhardt, H.E. Eberhardt, F.L. Eberhardt | Gear-cutting and hobbing machine |
 | 541,475 | Jun. 25, 1895 | F.L. Eberhardt, H.E. Eberhardt, U. Eberhardt | Crank Planer |
 | 575,393 | Jan. 19, 1897 | U. Eberhardt, H.E. Eberhardt, F.L. Eberhardt | Gear-cutting machine with safety-stop |
| | 578,731 | Mar. 16, 1897 | F.L. Eberhardt, U. Eberhardt | Wrought Metal Gear Wheel and Mechanism for Making Same |
 | 617,723 | Jan. 17, 1899 | H.E. Eberhardt, F.L. Eberhardt, U. Eberhardt | Gear-cutter clamp for wheel-blanks |
 | 700,184 | May 20, 1902 | H.F. Emme, F.L. Eberhardt | Gear-cutting engine |
 | 700,679 | May 20, 1902 | H.E. Eberhardt, F.L. Eberhardt, E.G. Eberhardt | Crank-planer or analogous tool |
