Leonard L. Portnoy

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Beverly Hills, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Intra-oral ice pack
- Patent number 6,217,606
- Issue date Apr 17, 2001
- Leonard L. Portnoy
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Snore stopper
- Patent number 6,089,232
- Issue date Jul 18, 2000
- Leonard L. Portnoy
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Denture magnetic retention unit
- Patent number 4,530,663
- Issue date Jul 23, 1985
- Leonard L. Portnoy
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Denture magnetic retention unit
- Patent number 4,431,419
- Issue date Feb 14, 1984
- Leonard L. Portnoy
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE