Eric H. Zahn

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Bellevue, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Non-floating technique-male
- Patent number 4,634,380
- Issue date Jan 6, 1987
- Eric H. Zahn
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dental stress-relieving apparatus
- Patent number 4,205,442
- Issue date Jun 3, 1980
- Sterndent Corp.
- Eric H. Zahn
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of stippling, and stippling mandrel therefor
- Patent number 4,109,385
- Issue date Aug 29, 1978
- Sterndent Corp.
- Eric H. Zahn
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE