| All Patents in class 200/19.2 |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
| | 345,596 | Jul. 13, 1886 | E.J. Lenior | Gas Engine |
| | 350,769 | Oct. 12, 1886 | G. Smyers, G. Rogot | Petroleum and Gas Motor |
| | 439,200 | Oct. 28, 1890 | H.K. Shanck | Gas Engine |
| | 545,553 | Sep. 03, 1895 | H. Thau | Electric Igniting Apparatus for Gas Engines |
| | 602,477 | Apr. 19, 1898 | J.A. Secor | Explosive Engine |
| | 640,673 | Jan. 02, 1900 | G.W. Lewis | Gas Engine |
| | 663,729 | Dec. 11, 1900 | J.G. Heaslet, L.S. Clarke | Sparking Igniter for Explosive-Engines |
 | 881,058 | Mar. 03, 1908 | A.N. Classon | Operating mechanism for magnetos |
 | 978,030 | Dec. 06, 1910 | A.A. Kent | Electric contact device |
 | 1,540,603 | Jun. 02, 1925 | H.H. Clark | Interrupter mechanism |
