Duane Smith

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
High performance sewer system
- Patent number 7,857,968
- Issue date Dec 28, 2010
- Clearford Industries Inc.
- Richard W. Connelly
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
High Performance Sewer System
- Publication number 20110132824
- Publication date Jun 9, 2011
- Clearford Industries Inc.
- Richard W. Connelly
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
High Performance Sewer System
- Publication number 20090032450
- Publication date Feb 5, 2009
- Clearford Industries, Inc.
- Richard W. Connelly
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL