| All Patents |
Patents 1 -
15
of 41655
      |
| Number | Date | Patentee | Title | Type |
| 1X | Jul. 31, 1790 | S. Hopkins | Making pot and pearl ashes | |
| 2X | Aug. 06, 1790 | J.S. Sampson | Manufacturing Candles | chandler |
| 3X | Dec. 18, 1790 | O. Evans | Manufacturing flour and meal | miller |
| 4X | Jan. 29, 1791 | F. Bailey | Punch for making printing type | printer |
| 5X | Jan. 29, 1791 | A. Putnam | Improvement in distilling | |
| 6X | Mar. 10, 1791 | J. Stone | Driving piles for bridges, etc. | |
| 7X | Mar. 11, 1791 | S. Mullikin | Machine for thrashing grain and corn | miller |
| 8X | Mar. 11, 1791 | S. Mullikin | Breaking and Swingling of Hemp, etc. | spinner |
| 9X | Mar. 11, 1791 | S. Mullikin | Machine for cutting and polishing stone and marble | stonemason |
| 10X | Mar. 11, 1791 | S. Mulliken | Machine for raising a nap on cloths | |
| 11X | Mar. 17, 1791 | G. Parkinson | Machine for Spinning Hemp and Flax etc. | spinner |
| 12X | Jul. 30, 1791 | J. Dickerson | Improvement in tide mills | |
| 13X | Aug. 02, 1791 | S. Briggs, Sr., S. Briggs, Jr. | Machine for making nails | |
| 14X | Aug. 02, 1791 | W. Thomson | Machine for thrashing wheat, etc. | miller |
| 15X | Aug. 04, 1791 | R.R. Livingston | Diminishing friction of spindles | |
