| Patents for Robert Zahner |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 336,835 | Feb. 23, 1886 | G.W. Bugbee, F. Danner | Blind-slat tenoning machine | tenoning machines |
| 338,161 | Mar. 16, 1886 | G.W. Bugbee, F. Danner | Saw-set | saw sets |
| 343,405 | Jun. 08, 1886 | S.R. Smith, E. Myers | Gang-edger | circular ripsaws |
| 350,351 | Oct. 05, 1886 | T.P. Egan, F. Danner | Grinding-machine | sharpening machines |
| 376,050 | Jan. 03, 1888 | S.R. Smith | Saw-mill carriage | sawmill carriages |
| 377,469 | Feb. 07, 1888 | S.R. Smith, A. Schnier | Feed mechanism for saw-mill carriages | sawmill feed works |
| 382,939 | May 15, 1888 | E. Barrath | Coal-hod | |
| 384,560 | Jun. 12, 1888 | G.W. Bugbee, F. Danner | Counter-shaft | woodworking power transmission |
| 396,974 | Jan. 29, 1889 | E. Barrath | Coal-hod | |
| 396,975 | Jan. 29, 1889 | E. Barrath | Coal-hod | |
| 417,983 | Dec. 24, 1889 | G.W. Bugbee, F. Danner | Drawer-fitting machine | sanding machines |
