Donald D. Boswell

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Granada Hills, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
High brightness full color image light valve projection system
- Patent number 4,127,322
- Issue date Nov 28, 1978
- Hughes Aircraft Company
- Alexander D. Jacobson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for increasing contrast ratio of the stored im...
- Patent number 4,106,853
- Issue date Aug 15, 1978
- Hughes Aircraft Company
- Donald D. Boswell
- G02 - OPTICS
Information Patent Grant
Method and apparatus for erasing scattering in storage-type liquid...
- Patent number 4,048,628
- Issue date Sep 13, 1977
- Hughes Aircraft Company
- Donald D. Boswell
- G02 - OPTICS
Information Patent Grant
Reflective liquid crystal light valve with hybrid field effect mode
- Patent number 4,019,807
- Issue date Apr 26, 1977
- Hughes Aircraft Company
- Donald D. Boswell
- G02 - OPTICS
Information Patent Grant
Optical data processing system with reflective liquid crystal light...
- Patent number 4,018,509
- Issue date Apr 19, 1977
- Hughes Aircraft Company
- Donald D. Boswell
- G02 - OPTICS