Richard A. Terwilliger

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Alamo, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Biopsy apparatus with tapered vacuum chamber
- Patent number 5,282,476
- Issue date Feb 1, 1994
- Richard A. Terwilliger
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Automatic biopsy instrument with independently actuated stylet and...
- Patent number 5,188,118
- Issue date Feb 23, 1993
- Richard A. Terwilliger
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Automatic biopsy instrument with cutting cannula
- Patent number 5,183,052
- Issue date Feb 2, 1993
- Richard A. Terwilliger
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Biopsy instrument stylet and cannula assembly
- Patent number 5,146,921
- Issue date Sep 15, 1992
- Vance Products Inc.
- Richard A. Terwilliger
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Biopsy instrument
- Patent number 5,048,538
- Issue date Sep 17, 1991
- Vance Products Incorporated
- Richard A. Terwilliger
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Biopsy instrument
- Patent number 4,940,061
- Issue date Jul 10, 1990
- Ingress Technologies, Inc.
- Richard A. Terwilliger
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE