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US Patent: 333,452
Post Hole Digger
Patentee: Thomas S. Disston (exact or similar names) - Philadelphia, PA USPTO Classifications: 294/100, 294/115, 294/50.8 Tool Categories: Assignees: Hamilton Disston - Philadelphia, PA Horace C. Disston - Philadelphia, PA William Disston - Philadelphia, PA Jacob S. Disston - Philadelphia, PA Manufacturer: Not known to have been produced Witnesses: Harry Smith Henry Howson	Patent Dates: Granted: Dec. 29, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.

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