John Leonard Burns JR.

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Dracut, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual media filter cartridge construction
- Patent number 5,980,759
- Issue date Nov 9, 1999
- Millipore Corporation
- Stephen Proulx
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Current flow integrity test
- Patent number 5,477,155
- Issue date Dec 19, 1995
- Millipore Corporation
- Stephen Proulx
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Laminated edge filter structure and method of making
- Publication number 20040200771
- Publication date Oct 14, 2004
- Stephen Proulx
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Laminated edge filter structure and method of making
- Publication number 20030000874
- Publication date Jan 2, 2003
- Stephen Proulx
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL