Stacy Wollner

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Kewaskum, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual porosity PTFE tubes
- Patent number 5,935,667
- Issue date Aug 10, 1999
- IMPRA, Inc.
- Robert Calcote
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of forming dual porosity PTFE tubes by extrusion of concentr...
- Patent number 5,641,443
- Issue date Jun 24, 1997
- IMPRA, Inc.
- Robert Calcote
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of forming dual porosity FTFE tubes by extrusion of concentr...
- Patent number 5,453,235
- Issue date Sep 26, 1995
- IMPRA, Inc.
- Robert W. Calcote
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL