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US Patent: 472,495
Pneumatic tool
Patentee: Daniel Drawbaugh (exact or similar names) - Eberly's Mills, PA USPTO Classifications: 173/136, 173/212, 91/320 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: Ernest Marx John A. Herman	Patent Dates: Applied: Dec. 07, 1891 Granted: Apr. 05, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Daniel Drawbaugh
Description: This patent was subsequently improved in patent 504,802.

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