| Patents for Albertson & Co. |
Patents 1 -
10
of 18
      |
| Picture | Number | Date | Patentee | Title |
 | 1,087,625 | Feb. 17, 1914 | F.O. Albertson | Valve Truing Tool |
 | 1,282,018 | Oct. 22, 1918 | F.O. Albertson | Valve Grinder |
 | 1,285,573 | Nov. 26, 1918 | F.O. Albertson | Refacing Tool for Puppet-Valves |
 | 1,301,891 | Apr. 29, 1919 | F.O. Albertson | Valve Refacing Tool |
 | 1,340,359 | May 18, 1920 | F.O. Albertson | Valve-seat reamer |
 | 1,481,078 | Jan. 15, 1924 | F.O. Albertson | Flexible shafting |
 | 1,811,037 | Jun. 23, 1931 | F.O. Albertson, G. Olsen | Abrasive disk |
 | D90,008 | May 30, 1933 | F.O. Albertson | Design for a casing for a portable electric polisher |
 | D100,189 | Jun. 30, 1936 | F.O. Albertson | Design for a hot air gun |
 | 2,079,143 | May 04, 1937 | F.O. Albertson | Handheld disc sander |
