| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 403/312 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 86,266 | Jan. 26, 1869 | E.L. Abbott | Improved shaft-coupling | industrial machine shaft couplings | |
| 111,152 | Jan. 24, 1871 | S.A. Smith | Improvement in couplings for shafting | industrial machine shaft couplings | |
| 443,895 | Dec. 30, 1890 | G.E. Burt | Shaft-coupling | industrial machine shaft couplings | |
| 812,162 | Feb. 06, 1906 | T. Bemis | Pneumatic tube for store service | ||
| 907,539 | Dec. 22, 1908 | M.T. Thomas | Shaft-clamp | industrial machine shaft couplings | |