Harold T. Munson

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Woodbury, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Electroluminescent lamp devices and their manufacture
- Patent number 6,465,951
- Issue date Oct 15, 2002
- Durel Corporation
- Robert J. Krafcik
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Electroluminescent lamp devices and their manufacture
- Patent number 6,069,444
- Issue date May 30, 2000
- Durel Corporation
- Robert J. Krafcik
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Electroluminescent lamp devices and their manufacture
- Patent number 5,811,930
- Issue date Sep 22, 1998
- Durel Corporation
- Robert J. Krafcik
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Electroluminescent modular lamp unit
- Patent number 5,565,733
- Issue date Oct 15, 1996
- Durel Corporation
- Robert J. Krafcik
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL