| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1855-03-20 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 12,543 | Mar. 20, 1855 | A.H. Crozier | Machine for cutting barrel-heads | barrel making machines | |
| 12,551 | Mar. 20, 1855 | I.W. Hoagland | Auger Bit With Detachable Cutting Lip | auger bits | |
| 12,552 | Mar. 20, 1855 | G. Hotchkiss | Railroad-car brake | railroad car brakes | |
| 12,563 | Mar. 20, 1855 | E. Street | Mortising and tenoning machine | mortising machines | |
| 12,575 | Mar. 20, 1855 | C.W. Cotton | Attaching Augers to Handles | auger handles | |