US Patent: 2,503,590
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Truck crane
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Patentee:
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Arwin E. Ormsby (exact or similar names) - Oakland, CA |
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Patent Dates:
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Applied: |
Jun. 02, 1947 |
Granted: |
Apr. 11, 1950 |
USPTO (New site tip) Google Patents
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Jeff Joslin
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Description: |
This patent and 2,549,120, "other patents pending", were seen on a Model 50 Blue Heron Crane from Blue Heron Crane Co. |
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