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Patent number:
Patent Date:
US Patent: 543,309
Machine for cutting key-seats
Patentees:
David Lake (
exact
or
similar
names) - Philadelphia, PA
Leon Lake (
exact
or
similar
names) - Philadelphia, PA
USPTO Classifications:
409/177
Tool Categories:
metalworking machines
:
key seating machines
metalworking machines
:
broaching machines
Assignees:
Hattie I. Lake
- Philadelphia, PA
Leon Lake
- Philadelphia, PA
Manufacturer:
Lake Bros.
- Philadelphia, PA
Witnesses:
Sara Estabrook
India Lake
Patent Dates:
Applied:
Oct. 01, 1894
Granted:
Jul. 23, 1895
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Lake Bros.
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