Richard A. Helms

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Elk River, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Penile prosthesis having an actuator means interacting with a membe...
- Patent number 4,619,251
- Issue date Oct 28, 1986
- Dacomed Corporation
- Richard A. Helms
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Penile prosthesis utilizing patient controlled cam actuator apparatus
- Patent number 4,541,420
- Issue date Sep 17, 1985
- Dacomed Corporation
- Gerald W. Timm
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Penile prosthesis
- Patent number 4,522,198
- Issue date Jun 11, 1985
- Dacomed Corporation
- Gerald W. Timm
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Universal dialyzer end cap
- Patent number 4,163,722
- Issue date Aug 7, 1979
- Renal Systems, Inc.
- Louis C. Cosentino
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE