Tools and hardware – Other tools and implements – Work or tool holder
Patent
1993-02-10
1994-02-22
Douglas, Alan P.
Tools and hardware
Other tools and implements
Work or tool holder
D 8 72
Patent
active
D03444392
REFERENCES:
patent: 2642760 (1953-06-01), Goldberg
patent: 3250153 (1966-05-01), Purkey
patent: 4418767 (1983-12-01), Vindez
patent: 4540319 (1985-09-01), Michiharu
patent: 4810137 (1989-03-01), Yang
Douglas Alan P.
Musgrove J. H.
Shinano Inc.
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