Stephen P. Angelino

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Midlothian, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods and systems for prewashing automatic backwashing filters
- Patent number 5,536,417
- Issue date Jul 16, 1996
- Infilco Degremont Inc.
- Stephen P. Angelino
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter bed backwashing devices and methods
- Patent number 5,288,398
- Issue date Feb 22, 1994
- Infilco Degremont Inc.
- Stephen P. Angelino
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL