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US Patent: 477,625
Universal Joint
Patentee: Jacob S. Detrick (exact or similar names) - Baltimore, MD USPTO Classifications: 464/157 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine universal joints Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 15, 1891 Granted: Jun. 21, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Detrick & Harvey Machine Co.

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