William R. Heffner

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Sinking Spring, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of forming a laser circuit having low penetration ohmic cont...
- Patent number 6,555,457
- Issue date Apr 29, 2003
- TriQuint Technology Holding Co.
- Gustav E. Derkits
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
In-wafer testing of DFB semiconductor lasers
- Patent number 6,265,237
- Issue date Jul 24, 2001
- Lucent Technologies Inc.
- William Rudolph Heffner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser reliability test structure and method
- Patent number 6,255,707
- Issue date Jul 3, 2001
- Lucent Technologies, Inc.
- Richard B. Bylsma
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
A structure for forming a laser circuit having low penetration ohmi...
- Publication number 20040217475
- Publication date Nov 4, 2004
- Gustav E. Derkits
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
A STRUCTURE FOR FORMING A LASER CIRCUIT HAVING LOW PENETRATION OHMI...
- Publication number 20030141599
- Publication date Jul 31, 2003
- Gustav E. Derkits
- H01 - BASIC ELECTRIC ELEMENTS