Douglas S. CAMPBELL

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Redding, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for continuously extruding and depositing an unbroken layer...
- Patent number 10,443,250
- Issue date Oct 15, 2019
- Douglas S. Campbell
- E04 - BUILDING
Information Patent Grant
Method and apparatus for selectively extruding and applying a layer...
- Patent number 9,157,246
- Issue date Oct 13, 2015
- Douglas S. Campbell
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR CONTINUOUSLY EXTRUDING AND DEPOSITING AN UNBROKEN LAYER...
- Publication number 20190024395
- Publication date Jan 24, 2019
- Douglas S. CAMPBELL
- E04 - BUILDING
Information Patent Application
METHOD FOR CONTINUOUSLY EXTRUDING AND DEPOSITING AN UNBROKEN LAYER...
- Publication number 20170101792
- Publication date Apr 13, 2017
- Douglas S. CAMPBELL
- E04 - BUILDING
Information Patent Application
METHOD AND APPARATUS FOR SELECTIVELY EXTRUDING AND APPLYING A LAYER...
- Publication number 20120328792
- Publication date Dec 27, 2012
- Douglas S. CAMPBELL
- E04 - BUILDING