Paul Goodwin

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Mississauga, CA

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Patents Grantslast 30 patents

Information Patent Grant
Concrete forming method
- Patent number 4,876,054
- Issue date Oct 24, 1989
- Perma Tubes Ltd.
- Paul Goodwin
- E04 - BUILDING
Information Patent Grant
Plastic lined paper form for casting concrete columns
- Patent number 4,595,168
- Issue date Jun 17, 1986
- Perma Tubes Ltd.
- Paul Goodwin
- E04 - BUILDING