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US Patent: 2,503,590
Truck crane
Patentee: Arwin E. Ormsby (exact or similar names) - Oakland, CA USPTO Classifications: 212/292 Tool Categories: material handling : cranes : jib cranes Assignees: Lucienne M. Ormsby - Oakland, CA Manufacturer: Blue Heron Crane Co. - Oakland, CA Witnesses: Unknown	Patent Dates: Applied: Jun. 02, 1947 Granted: Apr. 11, 1950 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
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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