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Richard J. Zdrahala
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Bloomington, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Self-sealing PTFE vascular graft and manufacturing methods
Patent number
7,244,271
Issue date
Jul 17, 2007
Boston Scientific Scimed, Inc.
David Lentz
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for imparting a bio-active coating
Patent number
6,803,069
Issue date
Oct 12, 2004
SciMed Life Systems, Inc.
Birendra K. Patnaik
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
PTFE vascular graft and method of manufacture
Patent number
6,719,783
Issue date
Apr 13, 2004
SciMed Life Systems, Inc.
David Lentz
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition and process for preparing biocompatible polymer coatings
Patent number
6,713,568
Issue date
Mar 30, 2004
SciMed Life Systems, Inc.
Birendra K. Patnaik
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Apparatus for manufacturing expanded polytetrafluoroethylene products
Patent number
6,530,765
Issue date
Mar 11, 2003
Meadox Medicals, Inc.
Richard J. Zdrahala
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Mold apparatus and kit for in situ tissue repair
Patent number
6,443,988
Issue date
Sep 3, 2002
Disc Dynamics, Inc.
Jeffrey C. Felt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Self-sealing PTFE vascular graft and manufacturing methods
Patent number
6,428,571
Issue date
Aug 6, 2002
SciMed Life Systems, Inc.
David Lentz
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
In vivo tissue engineering with biodegradable polymers
Patent number
6,376,742
Issue date
Apr 23, 2002
Richard J. Zdrahala
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polymer coatings grafted with polyethylene oxide chains containing...
Patent number
6,338,904
Issue date
Jan 15, 2002
SCIMED Life Systems
Birendra K. Patnaik
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
ePTFE small caliber vascular grafts with significant patency enhanc...
Patent number
6,306,165
Issue date
Oct 23, 2001
Meadox Medicals
Birendra K. Patnaik
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomaterial system for in situ tissue repair
Patent number
6,306,177
Issue date
Oct 23, 2001
Advanced Bio Surfaces, Inc.
Jeffrey C. Felt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Surgical implant system for restoration and repair of body function
Patent number
6,299,448
Issue date
Oct 9, 2001
Ivanka J. Zdrahala
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomaterial for in situ tissue repair
Patent number
6,140,452
Issue date
Oct 31, 2000
Advanced Bio Surfaces, Inc.
Jeffrey C. Felt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polymer coatings grafted with polyethylene oxide chains containing...
Patent number
6,107,416
Issue date
Aug 22, 2000
SciMed Life Systems, Inc.
Birendra K. Patnaik
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for forming a yarn wrapped PTFE tubular prosthesis
Patent number
6,080,198
Issue date
Jun 27, 2000
Meadox Medicals, Inc.
David J. Lentz
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
PTFE vascular graft and method of manufacture
Patent number
6,036,724
Issue date
Mar 14, 2000
Meadox Medicals, Inc.
David J. Lentz
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
PTFE vascular prosthesis and method of manufacture
Patent number
6,001,125
Issue date
Dec 14, 1999
Meadox Medicals, Inc.
Ellen Golds
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for preparing polymer coatings grafted with polyethylene ox...
Patent number
5,877,263
Issue date
Mar 2, 1999
Meadox Medicals, Inc.
Birendra K. Patnaik
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for manufacturing expanded polytetrafluoroethylene products
Patent number
5,874,032
Issue date
Feb 23, 1999
Meadox Medicals, Inc.
Richard J. Zdrahala
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polyurethanes grafted with polyethylene oxide chains containing cov...
Patent number
5,855,618
Issue date
Jan 5, 1999
Meadox Medicals, Inc.
Birendra K. Patnaik
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
PTFE vascular graft
Patent number
5,800,512
Issue date
Sep 1, 1998
Meadox Medicals, Inc.
David J. Lentz
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Tubular polytetrafluoroethylene implantable prostheses
Patent number
5,716,660
Issue date
Feb 10, 1998
Meadox Medicals, Inc.
Kevin Weadock
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Tubular expanded polytetrafluoroethylene implantable prostheses
Patent number
5,665,114
Issue date
Sep 9, 1997
Meadox Medicals, Inc.
Kevin Weadock
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Yarn wrapped PTFE tubular prosthesis
Patent number
5,607,478
Issue date
Mar 4, 1997
Meadox Medicals Inc.
David J. Lentz
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Esterified starch composition
Patent number
5,587,412
Issue date
Dec 24, 1996
National Starch and Chemical Investment Holding Corporation
Gerd Borchers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
PTFE implantable tubular prostheses with external coil support
Patent number
5,556,426
Issue date
Sep 17, 1996
Meadox Medicals, Inc.
Nicholas Popadiuk
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Extrusion process for manufacturing PTFE products
Patent number
5,505,887
Issue date
Apr 9, 1996
Meadox Medicals, Inc.
Richard J. Zdrahala
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Self-sealing PTFE vascular graft and manufacturing methods
Publication number
20070244539
Publication date
Oct 18, 2007
Boston Scientific Scimed, Inc.
David Lentz
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Knee joint prosthesis
Publication number
20050043808
Publication date
Feb 24, 2005
Advanced Bio Surfaces, Inc.
Jeffrey C. Felt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Self-sealing PTFE vascular graft and manufacturing methods
Publication number
20040193242
Publication date
Sep 30, 2004
SciMed Life Systems, Inc.
David Lentz
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PTFE vascular graft and method of manufacture
Publication number
20030004559
Publication date
Jan 2, 2003
SciMed Life Systems, Inc.
David Lentz
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Biomaterial system for in situ tissue repair
Publication number
20020156531
Publication date
Oct 24, 2002
Jeffrey C. Felt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ePTFE small caliber vascular grafts with significant patency enhanc...
Publication number
20010044655
Publication date
Nov 22, 2001
Meadox Medicals, Inc.
Birendra K. Patnaik
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
MOLD APPARATUS AND KIT FOR IN SITU TISSUE REPAIR
Publication number
20010004710
Publication date
Jun 21, 2001
JEFFREY C. FELT
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL