| Patents for Carl G. Sprado |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 815,312 | Mar. 13, 1906 | C.G. Sprado | Adjustable piston-rod and cross-head connection | |
| 895,056 | Aug. 04, 1908 | C.G. Sprado | Valve and Valve Gearing | internal combustion engine valves |
| 923,591 | Jun. 01, 1909 | C.G. Sprado | Gas Engine | internal combustion engine governors |
| 923,593 | Jun. 01, 1909 | C.G. Sprado | Crane | cranes |
| 923,594 | Jun. 01, 1909 | C.G. Sprado | Gas Engine | internal combustion engine valves |
| 954,057 | Apr. 05, 1910 | C.G. Sprado | Regulating Device | internal combustion engine governors |
| 961,079 | Jun. 07, 1910 | C.G. Sprado | Gas Engine | internal combustion engine governors |
| 1,279,774 | Sep. 24, 1918 | C.G. Sprado | Gas Engine | internal combustion engine governors |
| 1,400,328 | Dec. 13, 1921 | C.G. Sprado | Internal Combustion Engine | |
| 1,682,437 | Aug. 28, 1928 | C.G. Sprado | Circulating System | cooling apparatus |
| 1,961,461 | Jun. 05, 1934 | C.G. Sprado | Gas Engine Valve Gear | internal combustion engine valves |
| 1,989,891 | Feb. 05, 1935 | C.G. Sprado | Fuel Injection Device | oil engines |
