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