Joel N. Cunningham

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure diaphragm
- Patent number 4,398,542
- Issue date Aug 16, 1983
- Ivac Corporation
- Joel N. Cunningham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pressure diaphragm
- Patent number D267743
- Issue date Jan 25, 1983
- Ivac Corporation
- Joel N. Cunningham
- D24 - Medical and laboratory equipment