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| Patents for Arwin E. Ormsby | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,503,590 | Apr. 11, 1950 | A.E. Ormsby | Truck crane | jib cranes | |
| 2,549,120 | Apr. 17, 1951 | A.E. Ormsby | Crane | jib cranes | |