Donald A. Stevens

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Spring Church, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Prosthetic revision knee system
- Patent number 7,628,794
- Issue date Dec 8, 2009
- Trigon Inc.
- David J. Stumpo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pacemaker with activity-dependent rate limiting
- Patent number 4,945,909
- Issue date Aug 7, 1990
- Cook Pacemaker Corporation
- Neal E. Fearnot
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Temperature-controlled cardiac pacemaker responsive to body motion
- Patent number 4,905,697
- Issue date Mar 6, 1990
- Cook Pacemaker Corporation
- Kevin S. Heggs
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Prosthetic revision knee system
- Publication number 20060241635
- Publication date Oct 26, 2006
- David J. Stumpo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Prosthetic revision knee system
- Publication number 20030204264
- Publication date Oct 30, 2003
- David J. Stumpo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Prosthetic revision knee system
- Publication number 20020120341
- Publication date Aug 29, 2002
- David J. Stumpo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE