| All Patents in class 123/146 |
Patents 16 -
30
of 53
      |
| Number | Date | Patentee | Title | Type |
| 415,446 | Nov. 19, 1889 | J. Charter | Hydrocarbon or Gas Engine | gas and gasoline engines |
| 418,821 | Jan. 07, 1890 | J.D. Smith | Gas Engine | gas and gasoline engines |
| 434,171 | Aug. 12, 1890 | C.W. Baldwin | Gas Engine | gas and gasoline engines |
| 438,209 | Oct. 14, 1890 | A.R. Middleton, C. White | Gas Engine | gas and gasoline engines |
| 439,702 | Nov. 04, 1890 | H.A. Stuart | Petroleum Engine or Motor | |
| 444,031 | Jan. 06, 1891 | G.J. Weber | Gas Engine and Igniter Therefore | ignition systems |
| 448,386 | Mar. 17, 1891 | B.C. Vanduzen | Gas or Gasoline Engine | |
| 449,507 | Mar. 31, 1891 | G.J. Weber | Gas Engine | gas and gasoline engines |
| 451,620 | May 05, 1891 | G.W. Lewis | Gas or Vapor Engine | gas and gasoline engines |
| 451,621 | May 05, 1891 | G.W. Lewis | Gas Engine | gas and gasoline engines |
| 453,446 | Jun. 02, 1891 | O. Lindner | Hydrocarbon Engine | gas and gasoline engines |
| 456,284 | Jul. 21, 1891 | C.H. Paxson, P.T. Coffield | Gas Engine | gas and gasoline engines |
| 456,505 | Jul. 21, 1891 | J.H. Hamilton, A. Rollason | Gas or Vapor Engine | gas and gasoline engines |
| 463,231 | Nov. 17, 1891 | E. Kaselowsky | Igniting Device for Gas or Petroleum Engines | ignition systems |
| 473,685 | Apr. 26, 1892 | C.W. Weiss | Gas Engine | gas and gasoline engines |
