| All Patents in class 123/65BA |
Patents 1 -
6
of 6
      |
| Picture | Number | Date | Patentee | Title |
| | 548,142 | Oct. 15, 1895 | H. Schumm | Apparatus for Working Gas or Oil Engines |
| | 605,583 | Jun. 14, 1898 | R.L. Merritt | Internal Combustion Engine |
| | 607,613 | Jul. 19, 1898 | W.O. Worth | Hydrocarbon Gas Engine |
| | 652,724 | Jun. 26, 1900 | N.W. Perkins, Jr., C.K. Pickles | Gas Engine |
| | 2,054,232 | Sep. 15, 1936 | P.C. Brooks, H. Schneider | Engine of Opposed Piston Type |
| | 2,987,055 | Jun. 06, 1961 | C.E. Nilson, L.J. Grauel | Combustion Air Supply Control for Internal Combustion Engines |
