| All Patents in class 123/55.7 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 301,078 | Jul. 01, 1884 | C.H. Andrew | Gas Motor Engine | gas and gasoline engines |
| 305,464 | Sep. 23, 1884 | P. Murray, Jr. | Gas Engine | gas and gasoline engines |
| 305,467 | Sep. 23, 1884 | P. Murray, Jr. | Gas Engine | gas and gasoline engines |
| 341,538 | May 11, 1886 | H. Williams, C.H. Andrew | Gas Engine | gas and gasoline engines |
| 345,998 | Jul. 20, 1886 | R.F. Smith | Gas Engine | gas and gasoline engines |
| 355,101 | Dec. 28, 1886 | N.B. Randall | Gas Engine | gas and gasoline engines |
| 386,949 | Jul. 31, 1888 | H. Williams | Gas Motor Engine | gas and gasoline engines |
| 457,020 | Aug. 04, 1891 | H. Williams | Gas Motor Engine | gas and gasoline engines |
| 545,502 | Sep. 03, 1895 | H.H. Nennegin | Gas Engine | gas and gasoline engines |
| 549,160 | Nov. 05, 1895 | G.B. Selden | Road Engine | |
| 574,311 | Dec. 29, 1896 | J.W. Eisenhuth | Expansion Gas Engine | gas and gasoline engines |
| 584,674 | Jun. 15, 1897 | E.B. Dake | Gas Engine | |
| 597,771 | Jan. 25, 1898 | H.H. Hennegin | Gas Engine | gas and gasoline engines |
| 632,913 | Sep. 12, 1899 | F. Burger | Gas Engine | gas and gasoline engines |
| 633,878 | Sep. 26, 1899 | R. Mewes | Combustion Motor | internal combustion engines |