Paul H. Ingalls

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Penacook, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
High pressure sodium lamp having reduced internal diameter
- Patent number 6,683,412
- Issue date Jan 27, 2004
- Osram Sylvania Inc.
- Paul H. Ingalls
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making cathode assembly for high pressure sodium lamps
- Patent number 6,007,398
- Issue date Dec 28, 1999
- Osram Sylvania Inc.
- Huiling Zhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode assembly for high pressure sodium lamp and method of maki...
- Patent number 5,729,089
- Issue date Mar 17, 1998
- Osram Sylvania Inc.
- Huiling Zhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arc tube electrodeless high pressure sodium lamp
- Patent number 5,592,048
- Issue date Jan 7, 1997
- Osram Sylvania Inc.
- George C. Wei
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
HIGH PRESSURE SODIUM LAMP HAVING REDUCED ARC TUBE SIZE
- Publication number 20030222582
- Publication date Dec 4, 2003
- Paul H. Ingalls
- H01 - BASIC ELECTRIC ELEMENTS