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Patent number:
Patent Date:
US Patent: 370,380
Pen Cleaner Sponge Cup
Patentee:
Samuel Darling (
exact
or
similar
names) - Providence, RI
USPTO Classifications:
15/104.92
Tool Categories:
trade specific
:
draftsman
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Socrates Scholfield
John S. Lynch
Fred L. Fuller
Patent Dates:
Applied:
Jul. 25, 1887
Granted:
Sep. 27, 1887
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
Description:
Socrates Schofield - patent attorney
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