| All Patents in class 123/69V |
Patents 31 -
45
of 50
      |
| Number | Date | Patentee | Title | Type |
| 545,709 | Sep. 03, 1895 | F.S. Mead | Gas Engine | gas and gasoline engines |
| 548,142 | Oct. 15, 1895 | H. Schumm | Apparatus for Working Gas or Oil Engines | gas and gasoline engines |
| 548,772 | Oct. 29, 1895 | J.R. Bridges | Explosive Gas Engine | gas and gasoline engines |
| 566,263 | Aug. 18, 1896 | B. Wolf | Gas or Petroleum Engine or Motor | internal combustion engines |
| 574,535 | Jan. 05, 1897 | C.L. Grohmann | Gas Engine | gas and gasoline engines |
| 579,378 | Mar. 23, 1897 | L. Bénier | Gas Engine | gas and gasoline engines |
| 581,683 | Apr. 27, 1897 | W.O. Worth | Gas Engine | gas and gasoline engines |
| 582,073 | May 04, 1897 | F.S. Mead | Gas or Oil Engine | oil engines |
| 599,375 | Feb. 22, 1898 | W.E. White | Gas Engine | gas and gasoline engines |
| 612,258 | Oct. 11, 1898 | F.S. Mead | Gas or Oil Engine | gas and gasoline engines |
| 618,972 | Feb. 07, 1899 | C.R. Alsop | Gas Engine | gas and gasoline engines |
| 619,776 | Feb. 21, 1899 | P. Murray | Gas Engine | gas and gasoline engines |
| 620,941 | Mar. 14, 1899 | G.W. Lewis | Explosive Engine | gas and gasoline engines |
| 621,110 | Mar. 14, 1899 | G.W. Lewis | Gas or Vapor Engine | gas and gasoline engines |
| 633,878 | Sep. 26, 1899 | R. Mewes | Combustion Motor | internal combustion engines |
