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Patent number:
Patent Date:
US Patent: 489,862
Chuck
Patentee:
Frank Blessing (
exact
or
similar
names) - Lancaster, Lancaster County, PA
USPTO Classifications:
279/69
Tool Categories:
metalworking machines
:
metal lathes
:
metal lathe chucks
metalworking machines
:
metal lathes
:
jewelers lathes
Assignees:
Francis X. Blessing
- Reading, Berks County, PA
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Jun. 14, 1892
Granted:
Jan. 10, 1893
Patent Pictures:
USPTO
(New site tip)
Google Patents
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