Tools and hardware – Other tools and implements – Screwdriver type
Patent
1998-02-18
1999-03-30
Hyder, Philips S.
Tools and hardware
Other tools and implements
Screwdriver type
0804
Patent
active
D04072898
REFERENCES:
patent: D204125 (1966-03-01), Enrietto
patent: D327621 (1992-07-01), Heller
patent: 1937645 (1933-12-01), Fegley et al.
patent: 2022775 (1935-12-01), Holland-Letz
patent: 2683931 (1954-07-01), Fahlgren
Sales Literature of C & S Screw Products, Inc., of Grandview, Missouri, for Commando Drill Holders, Tip Drill Kits, Replacement Drills, Tip Wire Kits, Round Soapstone Holders and Flat Soapstone Holders, exact publication date unknown, but at least only year prior to the filing of the present application.
Commando Products, Inc.
Hyder Philips S.
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