Aleksandr Vladimirovich Ilyin

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Chester Spring, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Underdrain system
- Patent number 7,820,043
- Issue date Oct 26, 2010
- RG Delaware Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Underdrain system
- Publication number 20070235382
- Publication date Oct 11, 2007
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL