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Steven Charles
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Bethesda, MD, US
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last 30 patents
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Patent Grant
Chin activated switch
Patent number
4,045,630
Issue date
Aug 30, 1977
The United States of America as represented by the Secretary of the Departmen...
Charles J. McCarthy
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
One-handed syringe
Patent number
3,993,064
Issue date
Nov 23, 1976
The United States of America as represented by the Department of Health, Educ...
Charles J. McCarthy
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE