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Patent number:
Patent Date:
US Patent: 79,272
Improvement in Instruments for Adding and Registering Numbers
Patentees:
Nelson Spofford (
exact
or
similar
names) - Haverhill, MA
Charles Corliss (
exact
or
similar
names) - Haverhill, MA
USPTO Classifications:
235/144M
,
235/64
,
235/65
,
235/72
Tool Categories:
Assignees:
Charles Corliss
- Haverhill, MA
Manufacturer:
Not known to have been produced
Witnesses:
C. J. Noyes
William E. Blunt
Patent Dates:
Granted:
Jun. 23, 1868
Patent Pictures:
USPTO
(New site tip)
Google Patents
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