| All Patents in class 123/68 |
Patents 16 -
30
of 65
      |
| Number | Date | Patentee | Title | Type |
| 276,751 | May 01, 1883 | C.W. Baldwin | Gas Engine | gas and gasoline engines |
| 278,255 | May 22, 1883 | L.H. Nash | Gas Engine | gas and gasoline engines |
| 286,030 | Oct. 02, 1883 | S. Marcus | Gas Engine | gas and gasoline engines |
| 289,019 | Nov. 27, 1883 | L.H. Nash | Gas Engine | gas and gasoline engines |
| 289,691 | Dec. 04, 1883 | L.H. Nash | Gas Engine | gas and gasoline engines |
| 289,693 | Dec. 04, 1883 | L.H. Nash | Gas Engine | gas and gasoline engines |
| 300,661 | Jun. 17, 1884 | H.C. Swan, N.H. Thompson | Gas Motor Engine | gas and gasoline engines |
| 301,320 | Jul. 01, 1884 | G.M. Allen | Gas Engine | gas and gasoline engines |
| 306,339 | Oct. 07, 1884 | S. Marcus | Electrical Igniting Device for Gas Engines | ignition systems |
| 322,477 | Jul. 21, 1885 | J.F. Place | Gas Engine | gas and gasoline engines |
| 328,970 | Oct. 27, 1885 | J.F. Place | Gas Engine | gas and gasoline engines |
| 334,039 | Jan. 12, 1886 | L.H. Nash | Gas Engine | gas and gasoline engines |
| 334,040 | Jan. 12, 1886 | L.H. Nash | Method of Feeding and Operating Gas Engines | gas and gasoline engines |
| 334,041 | Jan. 12, 1886 | L.H. Nash | Method of Operating Explosive Vapor Engines | gas and gasoline engines |
| 343,744 | Jun. 15, 1886 | S. Wilcox | Gas Engine | gas and gasoline engines |
