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Patent number:
Patent Date:
US Patent: 140,081
Improvement in pencil attachments
Patentee:
William Schollhorn (
exact
or
similar
names) - New Haven, CT
USPTO Classifications:
33/27.02
Tool Categories:
layout tools
:
compasses
:
dividers
Assignees:
None
Manufacturer:
Unknown
Witnesses:
J. H. Shumway
A. J. Tibbits
Patent Dates:
Applied:
Jan. 29, 1873
Granted:
Jun. 17, 1873
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Russ Allen
Description:
Exaple marked Peck, Stow & Wilcox, East Berlin, CT and this patent date
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