John C. Henry

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Upper Merion, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Device for detecting air flow through a passageway
- Patent number 5,201,322
- Issue date Apr 13, 1993
- Elf Atochem North America, Inc.
- John C. Henry
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hail sensor
- Patent number 4,904,894
- Issue date Feb 27, 1990
- Pennwalt Corporation
- John C. Henry
- G01 - MEASURING TESTING