Tools and hardware – Other tools and implements – Screwdriver type
Patent
1991-01-22
1993-04-27
Ansher, Bernard
Tools and hardware
Other tools and implements
Screwdriver type
D 8107
Patent
active
D03350746
REFERENCES:
patent: D103245 (1937-02-01), McPherson
patent: 190459 (1877-05-01), Wilkinson
patent: D256662 (1980-09-01), Holland-Letz
patent: D256882 (1980-09-01), Jansson
patent: D259237 (1981-05-01), Savnik
patent: D270706 (1983-09-01), Cleminshaw
patent: D275932 (1984-10-01), Himbert et al.
Electronic-Schraubendreher, Catalog, pp. 19 and 20, (1987).
Ansher Bernard
Hyder Philip
Willi Hahn GmbH & Co. KG
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