Tools and hardware – Other tools and implements – Screwdriver type
Patent
1998-03-02
1999-06-01
Hyder, Philip S.
Tools and hardware
Other tools and implements
Screwdriver type
0804
Patent
active
D04103726
REFERENCES:
patent: D128609 (1941-08-01), Bakeman
patent: D311483 (1990-10-01), Espin
patent: D350685 (1994-09-01), Perkins et al.
patent: 5042333 (1991-08-01), Huang
patent: 5613413 (1997-03-01), Huang
Farber Martin A.
Hyder Philip S.
Wera Werk Hermann Werner GmbH & Co.
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