El Don L. Hoven

Follow

Person

Newberg, OR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Position control for a dental chair
- Patent number 5,267,778
- Issue date Dec 7, 1993
- A-DEC, Inc.
- Paul B. Krebs
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dental chair
- Patent number 5,190,349
- Issue date Mar 2, 1993
- A-DEC, Inc.
- George K. Austin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE