Joseph M. Ragosta

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Elkton, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Adsorbent filter bed with pliant and stiff members and method for r...
- Patent number 5,611,929
- Issue date Mar 18, 1997
- Graver Chemical
- Bruce L. Libutti
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Adsorbent filter bed with pliant and stiff members
- Patent number 5,585,171
- Issue date Dec 17, 1996
- Graver Chemical
- Bruce L. Libutti
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter element having an ion exchange yarn winding layer
- Patent number 5,552,056
- Issue date Sep 3, 1996
- Graver Chemical Company
- Joseph M. Ragosta
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL