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US Patent: 6,427,563
Insulating Composite Hollow Shaft Tool
Gregory A. Zurbuchen - Kenosha, WI
Roger N. Wabalickis - Kenosha, WI
David D. Curry - Kenosha, WI

USPTO Classifications:
81/177.1, 81/490, 81/900

Tool Categories:

Snap-On Technologies, Inc. - Lincolnshire, IL

Not known to have been produced

none listed

Patent Dates:
Applied: Jul. 25, 2000
Granted: Aug. 06, 2002

Patent Pictures:
USPTO pdf tiff
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Snap-On Tools Company History
Seyfarth & Shaw - patent attorneys


There is illustrated an electrically insulating hand tool having a shaft that is hollow along its entire length, a work-engaging insert received in one end of the shaft, and an electrically insulating handle connected to an opposite end of the shaft. The shaft has a unitary one-piece construction and is made from a composite material.

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