John R. Frigstad

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Iowa City, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Linear delivery system for deployment of a detachable balloon at a...
- Patent number 6,964,669
- Issue date Nov 15, 2005
- AMS Research Corporation
- Tracey Knapp
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Anti-reflux reinforced stent
- Patent number 5,984,965
- Issue date Nov 16, 1999
- Urosurge, Inc.
- Tracey E. Knapp
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE