Drill sharpening device

Details Drill sharpening device Drill sharpening device

1996-07-10

1997-10-28

Davis, Antoine Duval

Machines not elsewhere specified

Material working, abrading, or founding machinery

Abrading

1509

Patent

active

D03855678

REFERENCES:
patent: D230045 (1974-01-01), Ballone
patent: 2109308 (1938-02-01), Adams
patent: 4001975 (1977-01-01), Bernard et al.
patent: 4031672 (1977-06-01), Moores, Jr. et al.
patent: 4093247 (1978-06-01), Bernard et al.
patent: 4471581 (1984-09-01), Bernard et al.
patent: 4485596 (1984-12-01), Bernard et al.
patent: 4916866 (1990-04-01), Bernard et al.
patent: 5097634 (1992-03-01), Hulme
patent: 5179809 (1993-01-01), Schroeder
patent: 5400546 (1995-03-01), Christian et al.
Darex Brochure "Darex Super Precision Drill Sharpeners: Reflect the Quality of Your Work".
SP2000 and SP2500 Super Precision Drill Sharpeners User's Guide.

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