| Patents Granted on 1844-12-?? |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 3,843 | Dec. 04, 1844 | J. Gleason, H. Barbour | Improvement in Self-Stripping Cards for Carding Fibrous Substances | cloth carding machines |
| 3,849 | Dec. 07, 1844 | C.B. Rogers | Machine for Filing Saws | |
| 3,858 | Dec. 16, 1844 | C. Stigleman, A. Seely | Method of straining saws of sawmills without gates | reciprocating sawmills |
| 3,862 | Dec. 19, 1844 | J.H. Stevens | Machine for preparing wood for making boxes | box making machines |
| 3,863 | Dec. 19, 1844 | G. Stickney | Machine for Planing or Dressing the Knuckles of Butt-Hinges on Their Inner Sides | metal planers |
| 3,872 | Dec. 31, 1844 | R.S. Hannaford, R.H. Penny, W.F. Converse | Machinery for Cutting Screws in the Posts and On the Rails of Bedsteads | wood threading machines |
