Title:
Permanent magnetic block
United States Patent 3142787
US Patent References:
Lifting magnet
- - 2243616

Releasable permanent magnet holding device
- - 2280437

Magnetic chuck
- - 2561770


Inventors:
Levesque, George N.
Publication Date:
07/28/1964
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Assignee:
BROWN & SHARPE MFG COMPANY
Primary Class:
335/295
Other Classes:
335/286, 279/128, 269/8, 335/287
International Classes:
B23Q3/154; B23Q3/15
Foreign References:
CH335222A