Mark H. Litchfield

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Dracut, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Devices and method for detecting emplacement of improvised explosiv...
- Patent number 7,680,599
- Issue date Mar 16, 2010
- Textron Systems Corporation
- Robert L. Steadman
- G01 - MEASURING TESTING
Information Patent Grant
System and method for determining orientation based on solar positi...
- Patent number 7,315,781
- Issue date Jan 1, 2008
- Textron Systems Corporation
- Mark H. Litchfield
- G01 - MEASURING TESTING
Information Patent Grant
System and method for determining orientation based on solar positi...
- Patent number 7,079,944
- Issue date Jul 18, 2006
- Textron Systems Corporation
- Mark H. Litchfield
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
System and method for determining orientation based on solar positi...
- Publication number 20070145252
- Publication date Jun 28, 2007
- Textron Systems Corporation
- Mark H. Litchfield
- G01 - MEASURING TESTING
Information Patent Application
System and method for determining orientation based on solar positi...
- Publication number 20050043866
- Publication date Feb 24, 2005
- Mark H. Litchfield
- G01 - MEASURING TESTING