| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Roan Mfg. Co. | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,919,743 | Jul. 25, 1933 | S.E. Peters | Temperature controlled furnace fan | furnaces | |
| 2,076,275 | Apr. 06, 1937 | A.P. Jorgenson | Electric flasher | automobiles | |
| 2,109,233 | Feb. 22, 1938 | A.P. Jorgenson | Paint and liquid mixer | painter | |
| 2,325,249 | Jul. 27, 1943 | A.P. Jorgenson | Delayed action interrupter electric impulse apparatus | ||