| All Patents in class 123/162 |
Patents 61 -
75
of 75
      |
| Number | Date | Patentee | Title | Type |
| 627,857 | Jun. 27, 1899 | H.A. Knox | Gas Engine | gas and gasoline engines |
| 632,814 | Sep. 12, 1899 | J.D. Hay, B.M. Bullock | Gas Engine | gas and gasoline engines |
| 634,529 | Oct. 10, 1899 | A. Lee | Gas Engine | gas and gasoline engines |
| 640,395 | Jan. 02, 1900 | G.W. Lewis | Gas Engine Ignition Device | gas and gasoline engines |
| 640,672 | Jan. 02, 1900 | G.W. Lewis | Gas Engine | gas and gasoline engines |
| 640,673 | Jan. 02, 1900 | G.W. Lewis | Gas Engine | gas and gasoline engines |
| 654,818 | Jul. 31, 1900 | H.C. Thamsen | Sparking Igniter for Explosive-Engines | ignition systems |
| 655,289 | Aug. 07, 1900 | L. Witry | Igniter for explosive-engines | gas and gasoline engines |
| 657,140 | Sep. 04, 1900 | J.H. Cogswell, G.W. Starr | Explosive Gas Engine | gas and gasoline engines |
| 659,911 | Oct. 16, 1900 | D.E. Barnard | Gas Engine | gas and gasoline engines |
| 660,482 | Oct. 23, 1900 | F.G. Bates | Rotary Explosive-Engine | rotary engines |
| 661,291 | Nov. 06, 1900 | A. Johnson | Sparking Igniter for Explosive-Engines | ignition apparatus |
| 663,798 | Dec. 11, 1900 | G.A. Tuerk | Igniter for Explosive-Engines | ignition systems |
| 664,360 | Dec. 18, 1900 | A.T. Otto | Igniter for Gas or Oil Engines | ignition systems |
| 664,689 | Dec. 25, 1900 | H. Sutton | Speed Regulator for Explosive Engines | internal combustion engine governors |
