Joseph R. Woelfling

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Palmyra, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrically powerable grid element
- Patent number 8,584,412
- Issue date Nov 19, 2013
- Worthington Armstrong Venture
- Sandor A. Frecska
- E04 - BUILDING
Information Patent Grant
Suspension systems
- Patent number 7,681,370
- Issue date Mar 23, 2010
- AWI Licensing Company
- James R. Waters
- E04 - BUILDING
Information Patent Grant
Electrical conductivity in a suspended ceiling system
- Patent number 7,661,229
- Issue date Feb 16, 2010
- Worthington Armstrong Venture
- Sandor A. Frecska
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Electrically Powerable Grid Element
- Publication number 20100132281
- Publication date Jun 3, 2010
- Sandor A. Frecska
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cantilevered ceiling system
- Publication number 20090188175
- Publication date Jul 30, 2009
- James R. Waters
- E04 - BUILDING
Information Patent Application
Suspension systems
- Publication number 20070033902
- Publication date Feb 15, 2007
- James R. Waters
- E04 - BUILDING
Information Patent Application
Electrical conductivity in a suspended ceiling system
- Publication number 20060272256
- Publication date Dec 7, 2006
- Sandor A. Frecska
- H01 - BASIC ELECTRIC ELEMENTS