| Patents for Theodore L. Popp | 
| Patents 31 - 
					41
					of 41 
       | 
| Number | Date | Patentee | Title | Type | 
| 685,978 | Nov. 05, 1901 | J.B. Fenner | Electric Igniter for Gas Engines | ignition systems | 
| 705,058 | Jul. 22, 1902 | J.B. Fenner | Operating Mechanism for Gas Engine Valves, &c. | internal combustion engine valves | 
| 706,916 | Aug. 12, 1902 | J.B. Fenner | Fuel Valve for Gas Engines | internal combustion engine valves | 
| 757,064 | Apr. 12, 1904 | H.J. Smith | Electric Igniter for Gas Engines | ignition systems | 
| 801,927 | Oct. 17, 1905 | H.J. Smith | Fuel Mixing Device for Gas Engines | carburetors | 
| 805,000 | Nov. 21, 1905 | W.E. Blair | Driving Mechanism for two Pump-Plungers | fuel pumps | 
| 908,605 | Jan. 05, 1909 | F.C. Olin | Crank and Yoke Connection |  | 
| 1,021,558 | Mar. 26, 1912 | C.J. Scholler | Hand Ratchet for Drills, &c. | drill accessories | 
| 1,029,664 | Jun. 18, 1912 | C. Cabana | Shock-absorber for vehicles | motor vehicle suspensions | 
| 1,158,211 | Oct. 26, 1915 | C. Holly | Machine for Making Boxes | cardboard box making machines | 
| 1,241,080 | Sep. 25, 1917 | E.F. Beugler | Machine for Preparing Shells to Receive Heads | barrel making machines |