Joycelyn O. Simpson

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Hampton, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Thin layer composite unimorph ferroelectric driver and sensor
- Patent number 6,734,603
- Issue date May 11, 2004
- The United States of America as represented by the National Aeronautics and S...
- Richard F. Hellbaum
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermally stable, piezoelectric and pyroelectric polymeric substrat...
- Patent number 6,379,809
- Issue date Apr 30, 2002
- The United States of America as represented by the administrator of the Natio...
- Joycelyn O. Simpson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making thermally stable, piezoelectric and proelectric po...
- Patent number 5,909,905
- Issue date Jun 8, 1999
- The United States of America as represented by the administrator of the Natio...
- Joycelyn O. Simpson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermally stable, piezoelectric and pyroelectric polymeric substrates
- Patent number 5,891,581
- Issue date Apr 6, 1999
- The United States of America as represented by the administrator of the Natio...
- Joycelyn O. Simpson
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
THIN LAYER COMPOSITE UNIMORPH FERROELECTRIC DRIVER AND SENSOR
- Publication number 20010043027
- Publication date Nov 22, 2001
- RICHARD F. HELLBAUM
- B32 - LAYERED PRODUCTS