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Patent number:
Patent Date:
US Patent: 21,250
Sewing Machine
Improvement in Sewing Machines
Patentees:
R. B. Fitts (
exact
or
similar
names) - Charlestown, MA
Milton D. Whipple (
exact
or
similar
names) - Charlestown, MA
USPTO Classifications:
112/136
,
112/221
Tool Categories:
household
:
sewing machines
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
P. E. Teschemacher
Thomas R. Roach
Patent Dates:
Granted:
Aug. 24, 1858
Patent Pictures:
USPTO
(New site tip)
Google Patents
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