Alan Philip Roper

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Norwich, GB

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Patents Grantslast 30 patents

Information Patent Grant
Dual flow filter
- Patent number 6,893,555
- Issue date May 17, 2005
- Alan Philip Roper
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Dual flow filter
- Publication number 20030168397
- Publication date Sep 11, 2003
- Alan Philip Roper
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL