Kevin E. Crump

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Winchester, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Air delivery and exhalation exhaust system for protective helmets
- Patent number 5,549,104
- Issue date Aug 27, 1996
- E. D. Bullard Company
- Kevin E. Crump
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE