| Patents for Charles B. Richards |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 35,068 | Apr. 29, 1862 | J.F. Allen | Steam-engine |
 | 35,069 | Apr. 29, 1862 | J.F. Allen | Improvement in slide-valves for steam-engines |
 | 35,070 | Apr. 29, 1862 | J.F. Allen | Improved link-motion for steam-engines |
 | 35,071 | Apr. 29, 1862 | J.F. Allen | Improved valve-gear for steam-engines |
 | 117,682 | Aug. 01, 1871 | C.B. Richards | Improvement in bearings for machinery |
| | 649,754 | May 15, 1900 | C.B. Richards | Pneumatic Tool |
| | 665,033 | Jan. 01, 1901 | C.B. Richards | Pneumatic Tool |
| | 666,025 | Jan. 15, 1901 | C.B. Richards | Lubricator |
| | 666,026 | Jan. 15, 1901 | C.B. Richards | Throttle Valve |
| | 695,415 | Mar. 11, 1902 | C.B. Richards | Pneumatic Riveter |
