John Birk

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Scottsdale, AZ, US

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Patents Applicationslast 30 patents

Information Patent Application
ADJUSTABLE LENGTH SCAFFOLDING AND METHOD THEREFOR
- Publication number 20140318895
- Publication date Oct 30, 2014
- John Birk
- E04 - BUILDING
Information Patent Application
ADJUSTABLE LENGTH SCAFFOLDING AND METHOD THEREFOR
- Publication number 20130313046
- Publication date Nov 28, 2013
- John Birk
- E04 - BUILDING