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Patent number:
Patent Date:
US Patent: 412,631
Watch-crystal gage
Patentee:
Oscar C Kraehmer (
exact
or
similar
names) - Galena, IL
USPTO Classifications:
33/679.1
Tool Categories:
trade specific
:
watchmaker
Assignees:
None
Manufacturer:
Harding Brothers
- Chicago, IL
Witnesses:
Frank Bostwick
David S Farley
Patent Dates:
Applied:
Sep. 17, 1888
Granted:
Oct. 08, 1889
Patent Pictures: [
1
|
2
]
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