William C. Woellner

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Athens, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Roofing tile, roof and method of assembling
- Patent number 6,178,703
- Issue date Jan 30, 2001
- CertainTeed Corporation
- Michael J. Noone
- E04 - BUILDING
Information Patent Grant
Below-headlap portion of a tile
- Patent number D368782
- Issue date Apr 9, 1996
- CertainTeed Corporation
- Michael J. Noone
- D25 - Building units and construction elements