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Patent number:
Patent Date:
US Patent: 1,234,334
Brake mechanism for lifting-jacks
Patentee:
Isaiah E. Hindman (
exact
or
similar
names) - Bellevue, PA
USPTO Classifications:
188/187
,
188/75
,
254/103
Tool Categories:
trade specific
:
vehicle repairer
:
vehicle mechanic
Assignees:
Duff Mfg. Co.
- Pittsburgh, PA
Manufacturer:
Duff Mfg. Co.
- Pittsburgh, PA
Witnesses:
Unknown
Patent Dates:
Applied:
Mar. 02, 1917
Granted:
Jul. 24, 1917
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Duff Mfg. Co.
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