| Patents Granted on 1850-12-?? |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 7,806 | Dec. 03, 1850 | S. Beers | Machine for turning irregular forms | pattern lathes |
| 7,807 | Dec. 03, 1850 | H.J. Betjemann | Machine for boring dovetailed mortises | mortising machines |
| 7,811 | Dec. 03, 1850 | O. Mather | Machine for dressing spokes | wheelwright |
| 7,815 | Dec. 03, 1850 | A. Thayer | Auger-Handle | auger handles |
| BE-5,469 | Dec. 07, 1850 | A. Sax | Musical instrument (saxophone) | musical instruments |
| 7,827 | Dec. 10, 1850 | D.H. Southworth | Planing-machine | wood planers |
| 7,829 | Dec. 10, 1850 | N.D. White | Machine for making pill-boxes | box making machines |
| 7,832 | Dec. 17, 1850 | O. Child | Mill for sawing with circular saws | circular sawmills |
| 7,836 | Dec. 17, 1850 | J.F. Flanders | Machinery for Cutting and Binding Sheet Metal | sheet metal |
| 7,838 | Dec. 17, 1850 | S.H. Gilman | Expansion-Gear for Horizontal Engines | steam engine valve gear |
| 7,852 | Dec. 24, 1850 | T.H. Burridge | Means for Preventing BackLash in the Feed-Motion of Planing Machines | metal planers |
| 7,862 | Dec. 24, 1850 | J.N. Walker | Mill for grinding | grist mills |
