Tools and hardware – Other tools and implements – Screwdriver type
Patent
1987-09-08
1990-08-21
Dunkins, Bruce W.
Tools and hardware
Other tools and implements
Screwdriver type
Patent
active
D03100111
REFERENCES:
patent: D256546 (1980-08-01), Holland-Letz
patent: D256547 (1980-08-01), Holland-Letz
patent: D256662 (1980-09-01), Holland-Letz
patent: D291403 (1987-08-01), Rosenberg
Sandvik Consumer Tools Catalogue, p. 18, particularly the handles in center & right of page. .
Techni-Tool Catalog #28, .COPYRGT.1984, p. 38, "V" line screwdriver, far left top portion of page.
Dunkins Bruce W.
Felo-Werkzeugfabrik - Holland-Letz GmbH
Heflin Clare E.
Striker Michael J.
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