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Patent number:
Patent Date:
US Patent: 900,337
Flue Plugger
Patentee:
William B. Wingate (
exact
or
similar
names) - Callahan, Nassau County, FL
USPTO Classifications:
29/213.1
,
29/254
,
29/270
,
29/275
,
29/278
Tool Categories:
specialty tools
:
boiler repair tools
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Apr. 22, 1908
Granted:
Oct. 06, 1908
Patent Pictures:
USPTO
(New site tip)
Google Patents
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