US Patent: 5,394,773
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Composite Hand Tool
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Patentees:
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Gregory A. Zurbuchen (exact or similar names) - Kenosha, WI |
Paul M. Machmeier (exact or similar names) - Racine, WI |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Nov. 17, 1993 |
Granted: |
Mar. 07, 1995 |
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Stan Schulz Snap-On Tools Company History
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Description: |
Emrich & Dithmar - patent attorneys
Abstract
A totally non-metallic wrench formed entirely of fiber-reinforced plastic material includes a core of random discontinuous glass-fiber-reinforced plastic material and a band of unidirectional continuous glass-fiber-reinforced plastic material extending around the periphery of the core which are subjected to compression molding to form a composite wrench structure.
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