| Patents for Frans O. Albertson |
Patents 1 -
15
of 19
      |
| Number | Date | Patentee | Title | Type |
| 1,087,625 | Feb. 17, 1914 | F.O. Albertson | Valve Truing Tool | valve grinding tools |
| 1,282,018 | Oct. 22, 1918 | F.O. Albertson | Valve Grinder | valve grinding tools |
| 1,285,573 | Nov. 26, 1918 | F.O. Albertson | Refacing Tool for Puppet-Valves | valve grinding tools |
| 1,301,891 | Apr. 29, 1919 | F.O. Albertson | Valve Refacing Tool | valve grinding tools |
| 1,340,359 | May 18, 1920 | F.O. Albertson | Valve-seat reamer | reamers |
| 1,481,078 | Jan. 15, 1924 | F.O. Albertson | Flexible shafting | flexible shafts |
| 1,811,037 | Jun. 23, 1931 | F.O. Albertson, G. Olsen | Abrasive disk | handheld power sanders |
| D90,008 | May 30, 1933 | F.O. Albertson | Design for a casing for a portable electric polisher | handheld power sanders |
| D99,616 | May 12, 1936 | F.O. Albertson | Design for a metal spray gun | painter |
| D100,189 | Jun. 30, 1936 | F.O. Albertson | Design for a hot air gun | handheld power blowers |
| 2,058,653 | Oct. 27, 1936 | F.O. Albertson | Metal spray guns | |
| 2,079,143 | May 04, 1937 | F.O. Albertson | Handheld disc sander | handheld power sanders |
| D107,275 | Nov. 30, 1937 | F.O. Albertson | Design for a sanding machine | handheld power sanders |
| 2,101,305 | Dec. 07, 1937 | F.O. Albertson | Handheld disc sander | handheld power sanders |
| 2,123,222 | Jul. 12, 1938 | F.O. Albertson | Handheld disc sander | handheld power sanders |
