John R. Zern

Follow

Person

Cheswick, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Pressurizable thermoplastic container having an exterior polyuretha...
- Patent number 5,681,628
- Issue date Oct 28, 1997
- PPG Industries, Inc.
- Ken W. Niederst
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Pressurizable thermoplastic container having an exterior polyuretha...
- Patent number 5,300,334
- Issue date Apr 5, 1994
- PPG Industries, Inc.
- Ken W. Niederst
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
EPOXY URETHANE COATED CERAMIC ARTICLE
- Publication number 20080248223
- Publication date Oct 9, 2008
- Ken W. Niederst
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
BARRIER COATINGS
- Publication number 20080152935
- Publication date Jun 26, 2008
- PPG INDUSTRIES OHIO, INC.
- John R. Zern
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Barrier coatings
- Publication number 20060078740
- Publication date Apr 13, 2006
- John R. Zern
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Microporous sheets with barrier coatings
- Publication number 20050196601
- Publication date Sep 8, 2005
- Lawrence J. Fitzgerald
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...