| Patents Granted on 1866-04-10 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 53,783 | Apr. 10, 1866 | T.A. Chandler, H.C. Goodrich | Improvement in thread-tension devices for sewing-machines | sewing machines |
| 53,784 | Apr. 10, 1866 | T. Cheshire | Improvement in stave-machines | barrel making machines |
| 53,795 | Apr. 10, 1866 | M.W. Doran | Improvement in Plumb-Levels | pendulum levels |
| 53,804 | Apr. 10, 1866 | H. Fryatt, E.C. Edmonds | Improvement in sawing-machines | reciprocating saws |
| 53,821 | Apr. 10, 1866 | S.S. Hepworth | Improvement in Smiths' Vises | bench vises |
| 53,823 | Apr. 10, 1866 | S. Heywood | Improvement in shingle machines | shingle machines |
| 53,896 | Apr. 10, 1866 | R. Stewart | Annular Auger | auger bits |
| 53,899 | Apr. 10, 1866 | H.H. Andresen, E.K. Thomas | Improvements in Planes for Making Blind-Splats | splint planes |
| 53,915 | Apr. 10, 1866 | H.J. Behrens | Rotary Steam Engine | rotary steam engines |
