John F. Barrett

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Sarasota, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Gas delivery system
- Patent number 6,883,247
- Issue date Apr 26, 2005
- John F. Barrett
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Gas delivery system
- Patent number 6,792,846
- Issue date Sep 21, 2004
- Universal Oxygen, Inc.
- John F. Barrett
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Gas delivery system
- Publication number 20040079226
- Publication date Apr 29, 2004
- John F. Barrett
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Gas delivery system
- Publication number 20020040715
- Publication date Apr 11, 2002
- John F. Barrett
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...