William A. Chapman

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Naples, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Hand hole reinforcement assembly
- Patent number 5,847,318
- Issue date Dec 8, 1998
- William A. Chapman
- E04 - BUILDING
Information Patent Grant
Apparatus for joining structural components
- Patent number 5,499,885
- Issue date Mar 19, 1996
- William A. Chapman
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES