Frank J. Burrell Jr.

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Torrance, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Orthodontic band
- Patent number 5,697,783
- Issue date Dec 16, 1997
- Wilson; Mark J.
- Mark J. Wilson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Toothbrush having adjustable brushing pressure
- Patent number 5,315,732
- Issue date May 31, 1994
- Norman F. Huefner
- A46 - BRUSHWARE
Information Patent Grant
Barrel mounted needle guard for hypodermic syringes
- Patent number 5,163,917
- Issue date Nov 17, 1992
- Norman Huefner
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE