| Patents for Henry J. Colburn |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
 | 25,486 | Sep. 20, 1859 | S.W. Brown | Steam Pressure Indicator or Alarm |
 | 89,652 | May 04, 1869 | J. Goodrich, H.J. Colburn | Improvement in self-oiling pulleys |
 | 111,632 | Feb. 07, 1871 | J. Goodrich, H.J. Colburn | Improvement in planing-machines |
 | 114,129 | Apr. 25, 1871 | J. Goodrich, H.J. Colburn | Improvement in self-oiling pulleys |
 | RE8,438 | Oct. 01, 1878 | J. Goodrich, H.J. Colburn | Planer |
| | 243,214 | Jun. 21, 1881 | I.W. Colburn, H.J. Colburn | Acoustic telephone |
 | 244,741 | Jul. 26, 1881 | H.J. Colburn | Wood-turning lathe |
 | 250,425 | Dec. 06, 1881 | H.J. Colburn | Circular sawing machine |
 | 250,712 | Dec. 13, 1881 | H.J. Colburn | Tilting-table saw |
| | 277,545 | May 15, 1883 | H.J. Colburn | School-desk |
