Dail L. Swanson

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Danville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Wall box dimmer
- Patent number 5,068,639
- Issue date Nov 26, 1991
- Valmont Industries, Inc.
- Dail L. Swanson
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit for starting and operating fluorescent lamps
- Patent number 5,021,714
- Issue date Jun 4, 1991
- Valmont Industries, Inc.
- Dail L. Swanson
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fluorescent lamp ballast with end connector
- Patent number 5,006,764
- Issue date Apr 9, 1991
- Valmont Industries, Inc.
- Dail L. Swanson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dual voltage ballast
- Patent number 5,001,401
- Issue date Mar 19, 1991
- Valmont Industries, Inc.
- Larry J. Costa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ballast
- Patent number 4,916,363
- Issue date Apr 10, 1990
- Valmont Industries, Inc.
- Charles A. Burton
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Three lamp ballast
- Patent number 4,644,227
- Issue date Feb 17, 1987
- General Electric Company
- Edward E. Hammer
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit for starting and operating fluorescent lamps
- Patent number 4,399,391
- Issue date Aug 16, 1983
- General Electric Company
- Edward E. Hammer
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR