| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Sven R. Bergman | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 924,725 | Jun. 15, 1909 | S.R. Bergman | Single Phase Motor | AC motors | |
| 1,537,737 | May 12, 1925 | S.R. Bergman | Alternating-current commutator motor | repulsion motors | |
| 1,723,912 | Aug. 06, 1929 | S.R. Bergman | Dynamo-electric machine | repulsion motors | |