| All Patents in class 123/73V |
Patents 1 -
10
of 33
      |
| Picture | Number | Date | Patentee | Title |
| | 297,329 | Apr. 22, 1884 | S.L. Wiegand | Gas Engine |
 | 334,109 | Jan. 12, 1886 | G. Daimler | Motor Engine Worked by Combustible Gases or Petroleum |
 | 386,208 | Jul. 17, 1888 | L.H. Nash | Gas Engine |
 | 386,211 | Jul. 17, 1888 | L.H. Nash | Gas Engine |
| | 391,486 | Oct. 23, 1888 | W.S. Sharpneck | Gas Engine |
 | 432,260 | Jul. 15, 1890 | G.B. Brayton | Hydrocarbon Engine |
| | 537,253 | Apr. 09, 1895 | G. Van Zandt | Gas Engine |
| | 539,710 | May 21, 1895 | C. Sintz | Gas Engine |
| | 543,614 | Jul. 30, 1895 | J. Day | Gas Engine |
| | 544,214 | Aug. 06, 1895 | J. Day | Gas Engine |
