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Patent number:
Patent Date:
US Patent: 79,509
Guide For Screws
Screw holding screwdriver
Patentee:
Norman Smith (
exact
or
similar
names) - Hartford, CT
USPTO Classifications:
81/452
Tool Categories:
specialty tools
:
screw starters
screwdrivers
:
screwdriver blades
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Theodore C. Ellis
Zalmon A. Stores
Patent Dates:
Granted:
Jun. 30, 1868
Patent Pictures:
USPTO
(New site tip)
Google Patents
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