Bert Petkau

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Abbotsford, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for erecting forms for concrete pours
- Patent number 6,837,473
- Issue date Jan 4, 2005
- Bert Petkau
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for erecting forms for concrete pours
- Publication number 20030071189
- Publication date Apr 17, 2003
- Bert Petkau
- E04 - BUILDING