Columbia Research Corporation

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Washington, DC, US

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Patents Grantslast 30 patents

Information Patent Grant
Transport, launch and recovery craft
- Patent number 6,843,198
- Issue date Jan 18, 2005
- Columbia Research Corporation
- Norman C. Witbeck
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Towed transport, launch and recovery raft
- Patent number 6,840,188
- Issue date Jan 11, 2005
- Columbia Research Corporation
- Norman C. Witbeck
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
System for inspecting can lids for through the lid flaws
- Patent number 4,086,497
- Issue date Apr 25, 1978
- Columbia Research Corporation
- Russell Murray
- G01 - MEASURING TESTING
Information Patent Grant
Detection of flaws in a moving web of transparent material
- Patent number 4,038,554
- Issue date Jul 26, 1977
- Columbia Research Corporation
- Dwin R. Craig
- G01 - MEASURING TESTING