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US Patent: 693,939
Pneumatic hammer
Patentee: Melvin A. Yeakley (exact or similar names) - Cleveland, OH USPTO Classifications: 91/26, 91/32, 91/330, 91/398, 91/448 Tool Categories: metalworking machines : forging machines : power hammers Assignees: Williams, White & Co. - Moline, IL Manufacturer: Williams, White & Co. - Moline, IL Witnesses: M. A. Sheehan R. B. Moser	Patent Dates: Applied: Oct. 12, 1900 Granted: Feb. 25, 1902 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Williams, White & Co.

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