| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents of Type: commutator slotting machines | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,260,125 | Mar. 19, 1918 | F.E. Aurand | Commutator-slotting device | commutator slotting machines | |
| CA-192,138 | Aug. 12, 1919 | F.E. Aurand | Commutator slotting machine | commutator slotting machines | |
| 1,911,574 | May 30, 1933 | J.D. Karle | Commutator Slotting Machine | commutator slotting machines | |