H. CRAIG HEFFNER

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ELLICOTT CITY, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Circuit card rack system and method
- Patent number 10,342,151
- Issue date Jul 2, 2019
- Northrop Grumman Systems Corporation
- Martin Brokner Christiansen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit card rack system and method
- Patent number 10,159,161
- Issue date Dec 18, 2018
- Northrop Grumman Systems Corporation
- Martin Brokner Christiansen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus and method for providing a temperature-differential circu...
- Patent number 9,681,533
- Issue date Jun 13, 2017
- Northrop Grumman Systems Corporation
- Martin Brokner Christiansen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit card assembly and method of providing same
- Patent number 9,648,749
- Issue date May 9, 2017
- Northrop Grumman Systems Corporation
- Martin Brokner Christiansen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
CIRCUIT CARD RACK SYSTEM AND METHOD
- Publication number 20190082551
- Publication date Mar 14, 2019
- Northrop Grumman Systems Corporation
- MARTIN BROKNER CHRISTIANSEN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
APPARATUS AND METHOD FOR PROVIDING A TEMPERATURE-DIFFERENTIAL CIRCU...
- Publication number 20170142820
- Publication date May 18, 2017
- Northrop Grumman Systems Corporation
- MARTIN BROKNER CHRISTIANSEN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CIRCUIT CARD RACK SYSTEM AND METHOD
- Publication number 20170142856
- Publication date May 18, 2017
- Northrop Grumman Systems Corporation
- MARTIN BROKNER CHRISTIANSEN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CIRCUIT CARD ASSEMBLY AND METHOD OF PROVIDING SAME
- Publication number 20170142836
- Publication date May 18, 2017
- Northrop Grumman Systems Corporation
- MARTIN BROKNER CHRISTIANSEN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR