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Patent number:
Patent Date:
US Patent: 2,286,821
Machine for Cutting Dies and the Like
Patentee:
Lloyd D. Libby (
exact
or
similar
names) - Minneapolis, MN
USPTO Classifications:
409/144
,
409/197
,
409/199
,
409/200
,
409/201
,
409/240
,
451/121
,
451/294
Tool Categories:
metalworking machines
:
milling machines
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
none listed
Patent Dates:
Applied:
Feb. 23, 1939
Granted:
Jun. 16, 1942
Patent Pictures: [
1
|
2
|
3
]
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