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Patent number:
Patent Date:
US Patent: D57,987
Grease Gun
Patentee:
Charles W. Manzel (
exact
or
similar
names) - Buffalo, NY
USPTO Classifications:
D8/14.1
Tool Categories:
industrial tools
:
tool lubricators
:
grease guns
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
none listed
Patent Dates:
Applied:
Sep. 16, 1920
Granted:
May 24, 1921
Patent Pictures:
USPTO
(New site tip)
Google Patents
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