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| Patents for Henry O. Westendarp | |||||
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| Number | Date | Patentee | Title | Type | |
| 664,190 | Dec. 18, 1900 | E. Thomson | Alternating-current electric motor | shaded pole induction motors | |
| 1,043,887 | Nov. 12, 1912 | J.B. Wiard | Dynamo-electric machine | induction motors | |