William V. Shaffer

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Powell, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 7,331,582
- Issue date Feb 19, 2008
- Advanced Drainage Systems, Inc.
- William V. Shaffer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe having a water-tight in-line bell
- Patent number 7,306,264
- Issue date Dec 11, 2007
- Advanced Drainage Systems, Inc.
- James B. Goddard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
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- Patent number 6,948,718
- Issue date Sep 27, 2005
- Advanced Drainage Systems, Inc.
- William V. Shaffer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20050218653
- Publication date Oct 6, 2005
- Advanced Drainage Systems, Inc.
- William V. Shaffer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
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- Publication number 20040150170
- Publication date Aug 5, 2004
- William V. Shaffer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Pipe having a water-tight in-line bell
- Publication number 20030090106
- Publication date May 15, 2003
- James B. Goddard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...