| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 235/144M | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 79,272 | Jun. 23, 1868 | C. Corliss, N. Spofford | Improvement in Instruments for Adding and Registering Numbers | ||
| 469,655 | Feb. 23, 1892 | E.S. Matthews | Elevator-controller | ||
| 1,255,868 | Feb. 12, 1918 | W.F. Folmer | Magazine Back for Cameras | ||