John W. Holfert

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Bountiful, UT, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making a blood pumping membrance for artificial ventricles
- Patent number 5,324,464
- Issue date Jun 28, 1994
- University of Utah Research Foundation
- John W. Holfert
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Ventricle assist device with volume displacement chamber
- Patent number 5,282,849
- Issue date Feb 1, 1994
- University of Utah Research Foundation
- Willem J. Kolff
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Tubular interconnect device for use within the circulatory system
- Patent number 5,089,014
- Issue date Feb 18, 1992
- John W. Holfert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Modified elliptical artificial heart
- Patent number 4,981,484
- Issue date Jan 1, 1991
- John W. Holfert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Elliptical artificial heart
- Patent number 4,976,729
- Issue date Dec 11, 1990
- University of Utah Research Foundation
- John W. Holfert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE