David F. Beat

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Cedar Rapids, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual filament fluorescent lamp for avoinics liquid crystal displays
- Patent number 5,517,079
- Issue date May 14, 1996
- Rockwell International Corporation
- Thomas A. Seder
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluorescent lamp with improved efficiency
- Patent number 5,436,532
- Issue date Jul 25, 1995
- Rockwell International Corporation
- David J. Benard
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR