| Patents Granted on 1816-04-?? |
Patents 1 -
15
of 25
      |
| Number | Date | Patentee | Title | Type |
| 2,563X | Apr. 02, 1816 | P. Hall | Swinging false keel | |
| 2,564X | Apr. 03, 1816 | W. Edwards | Tanning | |
| 2,565X | Apr. 04, 1816 | A. Black | Apparatus for boiling and making salt | |
| 2,566X | Apr. 08, 1816 | E. Hotchkiss | Thrashing machine | miller |
| GB-181,604,014 | Apr. 08, 1816 | J. Turner | Improvement rotary engine and application thereof | rotary steam engines |
| 2,567X | Apr. 11, 1816 | J. Elder | Saw mill for dye woods | sawmills |
| 2,568X | Apr. 11, 1816 | E.B. Sandford | Spinning wheel | spinner |
| GB-181,604,017 | Apr. 11, 1816 | W. Stenson | Improved engine to be worked by steam or any other power | steam engines |
| 2,569X | Apr. 18, 1816 | W. Tatham | Propelling boats by steam | steamboats |
| 2,570X | Apr. 22, 1816 | J. Whips | Distilling and rectifying | |
| 2,571X | Apr. 23, 1816 | D. French | Turning buttons | |
| 2,572X | Apr. 23, 1816 | B. Kugler | Making carburated hydrogen gas | |
| 2,573X | Apr. 23, 1816 | J. Sargeant | Reconductor | |
| 2,574X | Apr. 23, 1816 | S. Trumbull | Spring Bolt for Windows, Doors, Etc. | door springs |
| 2,575X | Apr. 25, 1816 | W.L. Fraser, H. Osborn | Shearing cloth | |
