Calvin Walker

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Bridgeton, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Rafter center translation tool set
- Patent number 9,376,817
- Issue date Jun 28, 2016
- Calvin Walker
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Tru-Center Rafter Clip System
- Publication number 20150033572
- Publication date Feb 5, 2015
- Calvin Walker
- E04 - BUILDING