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Russell L. Rickert
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Upper Darby, PA, US
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last 30 patents
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Patent Grant
Commutator brush tool
Patent number
4,309,920
Issue date
Jan 12, 1982
Leonard R. Rickert
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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last 30 patents
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Patent Application
Hand protector
Publication number
20040250329
Publication date
Dec 16, 2004
Russell L. Rickert
A45 - HAND OR TRAVELLING ARTICLES