Patents for Henry E. Eberhardt |
Patents 1 -
10
of 18
      |
Picture | Number | Date | Patentee | Title |
 | 308,347 | Nov. 25, 1884 | U. Eberhardt, H.E. Eberhardt | Lathe friction-brake |
 | 321,196 | Jun. 30, 1885 | U. Eberhardt, H.E. Eberhardt | Drilling-Machine |
| 400,645 | Apr. 02, 1889 | H.E. Eberhardt, U. Eberhardt | Automatic Machine for Cutting Rack Teeth |
| 407,339 | Jul. 23, 1889 | H.E. Eberhardt, U. Eberhardt | Drilling Machine |
 | 433,458 | Aug. 05, 1890 | U. Eberhardt, H.E. Eberhardt | Milling-cutter |
 | 461,952 | Oct. 27, 1891 | U. Eberhardt, H.E. Eberhardt, U. Eberhardt, Jr. | Gear-cutting or milling-machine |
 | 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 |
 | 515,906 | Mar. 06, 1894 | U. Eberhardt, H.E. Eberhardt | Multiplex gear-cutter |