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Patent number:
Patent Date:
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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