| Patents for Henry A. Holt |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 122,609 | Jan. 09, 1872 | H.A. Holt | Improvements in Carpenters' Plane | bench planes |
| 159,514 | Feb. 09, 1875 | H.A. Holt | Improvement in wood-molding machines | molders |
| 170,732 | Dec. 07, 1875 | H.A. Holt | Improvement in spoke-sockets | wheelwright |
| 265,604 | Oct. 10, 1882 | H.A. Holt | Cutter-carrier for woodworking machines | molders |
| 322,935 | Jul. 28, 1885 | H.A. Holt | Planing-machine | wood planers |
| 698,705 | Apr. 29, 1902 | H.A. Holt | Tonguing and grooving machine | matchers |
| 1,133,437 | Mar. 30, 1915 | H.A. Holt | Door-latch | door and window hardware |
