Frederick Alan Dahl

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Dundas, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Universal electrical receptacle cover
- Patent number 9,325,161
- Issue date Apr 26, 2016
- Trystar, Inc.
- Frederick Alan Dahl
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Shelter for portable electrical inlets/outlets
- Patent number 9,271,413
- Issue date Feb 23, 2016
- Trystar, Inc.
- Frederick Alan Dahl
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Receptacle cover
- Patent number D709461
- Issue date Jul 22, 2014
- Trystar, Inc.
- Frederick Alan Dahl
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Shelter for portable electrical inlets/outlets
- Patent number 8,476,540
- Issue date Jul 2, 2013
- Trystar, Inc.
- Frederick Alan Dahl
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
UNIVERSAL ELECTRICAL RECEPTACLE COVER
- Publication number 20150155691
- Publication date Jun 4, 2015
- TRYSTAR, INC.
- Frederick Alan Dahl
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Mechanical Lug
- Publication number 20150099405
- Publication date Apr 9, 2015
- TRYSTAR, INC.
- Frederick Alan Dahl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SHELTER FOR PORTABLE ELECTRICAL INLETS/OUTLETS
- Publication number 20130264111
- Publication date Oct 10, 2013
- Frederick Alan Dahl
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SHELTER FOR PORTABLE ELECTRICAL INLETS/OUTLETS
- Publication number 20120145451
- Publication date Jun 14, 2012
- BRIDGEWATER TECH, INC.
- Frederick Alan Dahl
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR