| All Patents in class 123/69V |
Patents 1 -
10
of 51
      |
| Picture | Number | Date | Patentee | Title |
| | 63,416 | Apr. 02, 1867 | F. Million | Gas Engine |
| | 245,218 | Aug. 02, 1881 | A.K. Rider | Gas Engine |
| | 276,749 | May 01, 1883 | C.W. Baldwin | Gas Engine |
| | 276,750 | May 01, 1883 | C.W. Baldwin | Gas Engine |
| | 276,751 | May 01, 1883 | C.W. Baldwin | Gas Engine |
 | 278,256 | May 22, 1883 | L.H. Nash | Gas Engine |
| | 287,897 | Nov. 06, 1883 | C.W. Baldwin | Gas Engine |
| | 291,065 | Jan. 01, 1884 | H.S. Maxim | Gas Motor |
| | 292,894 | Feb. 05, 1884 | J. Charter | Gas Engine |
| | 295,415 | Mar. 18, 1884 | A. Hambrock, J.A. Menck | Gas Engine |
