Philip M. Carkner

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Grapevine, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for enhancing the bond of roofing membrane to lig...
- Patent number 6,769,215
- Issue date Aug 3, 2004
- Siplast, Inc.
- Philip M. Carkner
- E04 - BUILDING
Information Patent Grant
Ventilated insulated roofing system with improved resistance to win...
- Patent number 5,787,668
- Issue date Aug 4, 1998
- Siplast, Inc.
- Philip M. Carkner
- E04 - BUILDING