| Patents Granted on 1864-03-22 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 41,983 | Mar. 22, 1864 | G.F. Evans | Improvement in Plane-Stocks | circular planes |
| 41,992 | Mar. 22, 1864 | S.E. Hartwell | Improvement in dovetailing-machines | dovetailing machines |
| 41,995 | Mar. 22, 1864 | H.W. Hewet | Hewet Union Wrench | nut wrenches |
| 42,011 | Mar. 22, 1864 | W. Morton | Improvement in Drilling Machines | drill presses |
| 42,012 | Mar. 22, 1864 | D. Munson | Paper-Ruler | rules |
| 42,034 | Mar. 22, 1864 | S. Warner | Improvement in saws for felling trees | tree felling machines |
| 42,054 | Mar. 22, 1864 | W. Watts, F. Willcox, D.F. Tompkins | Improvement in spikes and nails | |
