| All Patents in class 123/73CA |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
| | 528,006 | Oct. 23, 1894 | F.S. Mead | Gas Engine |
| | 544,586 | Aug. 13, 1895 | F.S. Mead | Gas or Oil Engine |
| | 580,446 | Apr. 13, 1897 | D. Best | Petroleum Engine |
| | 582,073 | May 04, 1897 | F.S. Mead | Gas or Oil Engine |
| | 605,583 | Jun. 14, 1898 | R.L. Merritt | Internal Combustion Engine |
| | 620,602 | Mar. 07, 1899 | H.P. Maxim | Explosive Engine |
| | 625,839 | May 30, 1899 | L.B. Doman | Explosive Engine |
 | 683,886 | Oct. 01, 1901 | E.J. Woolf | Explosive Engine |
 | 1,022,178 | Apr. 02, 1912 | B. Brazelle | Internal-combustion motor |
| | 1,075,545 | Oct. 14, 1913 | J.F. Buhr | Explosive Engine |
