| Patents for Hubert C. Hart |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 70,937 | Nov. 19, 1867 | M.C. Ames | Improvement in Joiners' Gauges | marking gauges |
| 144,092 | Oct. 28, 1873 | H.C. Hart | Improvement in saw sets | saw sets |
| 149,306 | Apr. 07, 1874 | H.C. Hart | Bit-stock | brace chucks |
| 167,897 | Sep. 21, 1875 | H.C. Hart | Improvement in ratchet-braces for metal drills | ratchet braces |
| 204,727 | Jun. 11, 1878 | H.C. Hart | Improvement in bit-stocks | brace chucks |
| 272,685 | Feb. 20, 1883 | H.C. Hart | Belt-fastener | belts, belt lacing and belt lacers |
| 609,146 | Aug. 16, 1898 | H.C. Hart | Wrench | bicycle or pocket wrenches |
