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Patent number:
Patent Date:
US Patent: 1,213,167
Magnetic chuck and casing
Patentee:
Aldem M. Drake (
exact
or
similar
names) - Worcester, MA
USPTO Classifications:
269/8
,
277/377
,
277/407
,
279/128
,
279/157
Tool Categories:
metalworking machines
:
grinders
:
magnetic chucks
work holding
:
magnetic chucks
Assignees:
Heald Machine Co.
- Worcester, MA
Manufacturer:
Heald Machine Co.
- Worcester, MA
Witnesses:
Unknown
Patent Dates:
Applied:
Sep. 26, 1916
Granted:
Jan. 23, 1917
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Heald Machine Co.
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