| All Patents in class 123/70V |
Patents 1 -
10
of 58
      |
| Picture | Number | Date | Patentee | Title |
| | 118,028 | Aug. 15, 1871 | C.P. Leavitt | Improvement in Gas Engines |
| | 225,778 | Mar. 23, 1880 | W. Hees, W. Wittig | Gas-Engine |
| | 230,470 | Jul. 27, 1880 | D. Clerk | Gas Motor Engine |
| | 233,804 | Oct. 26, 1880 | A.K. Rider | Gas Engine |
| | 253,406 | Feb. 07, 1882 | T. McAdoo | Gas Engine |
| | 264,126 | Sep. 12, 1882 | C.G. Beechey | Gas Engine |
| | 269,146 | Dec. 12, 1882 | H. Wiedling | Gas Engine |
| | 269,163 | Dec. 12, 1882 | K. Teichmann | Gas Engine |
 | 270,203 | Jan. 09, 1883 | J. Charter | Gas Engine |
| | 272,130 | Feb. 13, 1883 | C.C. Lallement, E. Etève | Gas Engine |
