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US Patent: 983,668
Friction-brake mechanism
Patentee: Wendell A. Barker (exact or similar names) - Chicago, IL USPTO Classifications: 188/82.7 Tool Categories: Assignees: None Manufacturer: Thomas Elevator Co. - Chicago, IL Witnesses: Pierson W. Banning Walker Banning	Patent Dates: Applied: Jan. 14, 1908 Granted: Feb. 07, 1911 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Thomas Elevator Co.

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