| Patents for Henry J. Colburn |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 25,486 | Sep. 20, 1859 | S.W. Brown | Steam Pressure Indicator or Alarm | stationary boilers |
| 89,652 | May 04, 1869 | J. Goodrich, H.J. Colburn | Improvement in self-oiling pulleys | industrial machine pulleys and belt drive mechanisms |
| 111,632 | Feb. 07, 1871 | J. Goodrich, H.J. Colburn | Improvement in planing-machines | wood planers |
| 114,129 | Apr. 25, 1871 | J. Goodrich, H.J. Colburn | Improvement in self-oiling pulleys | industrial machine pulleys and belt drive mechanisms |
| RE8,438 | Oct. 01, 1878 | J. Goodrich, H.J. Colburn | Planer | wood planers |
| 243,214 | Jun. 21, 1881 | I.W. Colburn, H.J. Colburn | Acoustic telephone | communication apparatus |
| 244,741 | Jul. 26, 1881 | H.J. Colburn | Wood-turning lathe | wood lathes |
| 250,425 | Dec. 06, 1881 | H.J. Colburn | Circular sawing machine | tablesaws |
| 250,712 | Dec. 13, 1881 | H.J. Colburn | Tilting-table saw | tablesaws |
| 277,545 | May 15, 1883 | H.J. Colburn | School-desk | desks and tables |
| 545,153 | Aug. 27, 1895 | H.J. Colburn | Safe | |
| 545,154 | Aug. 27, 1895 | H.J. Colburn | Safe | |
| 568,429 | Sep. 29, 1896 | H.J. Colburn | Safe | |
| 576,074 | Jan. 26, 1897 | M.J. Owens, H.J. Colburn | Glass-blowing machine | |
| 584,755 | Jun. 15, 1897 | H.J. Colburn | Glass-blowing machine | |
