| Patents for Carl G. Sprado |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 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 |
 | 923,591 | Jun. 01, 1909 | C.G. Sprado | Gas Engine |
 | 923,593 | Jun. 01, 1909 | C.G. Sprado | Crane |
 | 923,594 | Jun. 01, 1909 | C.G. Sprado | Gas Engine |
 | 954,057 | Apr. 05, 1910 | C.G. Sprado | Regulating Device |
| | 961,079 | Jun. 07, 1910 | C.G. Sprado | Gas Engine |
| | 1,279,774 | Sep. 24, 1918 | C.G. Sprado | Gas Engine |
| | 1,400,328 | Dec. 13, 1921 | C.G. Sprado | Internal Combustion Engine |
| | 1,682,437 | Aug. 28, 1928 | C.G. Sprado | Circulating System |
