Hao Chang

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Lansdale, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for thermal development with a conformable support
- Patent number 9,057,958
- Issue date Jun 16, 2015
- E I du Pont de Nemours and Company
- Mark L. Armstrong
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for thermal development with a conformable support
- Patent number 8,492,073
- Issue date Jul 23, 2013
- E I du Pont de Nemours and Company
- Mark L. Armstrong
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS FOR THERMAL DEVELOPMENT WITH A CONFORMABLE SUPPORT
- Publication number 20130295508
- Publication date Nov 7, 2013
- Mark L. Armstrong
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR TESTING TENSILE STRENGTH OF AN ELECTRICALLY NONCONDUCTIV...
- Publication number 20130192384
- Publication date Aug 1, 2013
- E I DU PONT DE NEMOURS AND COMPANY
- HAO CHANG
- G01 - MEASURING TESTING
Information Patent Application
Method and apparatus for thermal development with a conformable sup...
- Publication number 20100062376
- Publication date Mar 11, 2010
- E.I. du Pont de Nemours and Company
- Mark L. Armstrong
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method for cleaning an automatic process device
- Publication number 20070246066
- Publication date Oct 25, 2007
- Hao Chang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY