| All Patents in class 123/156 |
Patents 1 -
10
of 33
      |
| Picture | Number | Date | Patentee | Title |
| | 286,030 | Oct. 02, 1883 | S. Marcus | Gas Engine |
| | 306,339 | Oct. 07, 1884 | S. Marcus | Electrical Igniting Device for Gas Engines |
 | 348,999 | Sep. 14, 1886 | J.F. Place | Gas Engine |
 | 370,242 | Sep. 20, 1887 | J. Charter | Gas Engine |
| | 377,962 | Feb. 14, 1888 | R.F. Smith | Gas Engine |
 | 383,775 | May 29, 1888 | C. Sintz | Gas Engine |
 | 421,473 | Feb. 18, 1890 | H.J. Baker | Gas Engine |
| | 430,312 | Jun. 17, 1890 | J.W. Eisenhuth | Single Acting Explosive Engine |
| | 504,260 | Aug. 29, 1893 | W.H. Worth | Gas Engine |
| | 506,817 | Oct. 17, 1893 | D.D. Hobbs | Gas Engine |
