David J. Colburn

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South St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Membrane modules and integrated membrane cassettes
- Patent number 7,279,215
- Issue date Oct 9, 2007
- 3M Innovative Properties Company
- Jonathan F. Hester
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for controllably breaking hollow spheres
- Patent number 6,015,106
- Issue date Jan 18, 2000
- 3M Innovative Properties Company
- Thomas A. Turgeon
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Patents Applicationslast 30 patents

Information Patent Application
Membrane modules and integrated membrane cassettes
- Publication number 20050123727
- Publication date Jun 9, 2005
- 3M Innovative Properties Company
- Jonathan F. Hester
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL