| Patents for Charles O. Heggem |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 400,846 | Apr. 02, 1889 | C.O. Heggem | Traction Engine | steam traction engines |
| 489,865 | Jan. 10, 1893 | C.O. Heggem | Steering Apparatus for Traction Engines | traction engine steering apparatus |
| 491,940 | Feb. 14, 1893 | C.O. Heggem | Balance Slide Valve | traction engine valve gear |
| 529,490 | Nov. 20, 1894 | C.O. Heggem | Traction Engine | steam traction engines |
| 554,421 | Feb. 11, 1896 | C.O. Heggem | Steam Street Roller | steam rollers |
| 644,598 | Mar. 06, 1900 | C.O. Heggem | Motor Vehicle | automobiles |
| 658,775 | Oct. 02, 1900 | C.O. Heggem | Shaft Governor | steam engine governors |
| 682,193 | Sep. 10, 1901 | C.O. Heggem | Beater for Threshing Machines | threshers and thrashers |
| 819,226 | May 01, 1906 | C.O. Heggem | Traction Engine | steam traction engines |
| 1,139,282 | May 11, 1915 | C.O. Heggem | Spring Wheel | traction engine steering apparatus |
