Lee R. Fredrickson

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Cedar Rapids, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Interferometric piezoelectric change of state monitor
- Patent number 4,572,670
- Issue date Feb 25, 1986
- Rockwell International Corporation
- Lee R. Fredrickson
- G01 - MEASURING TESTING
Information Patent Grant
Multicolored liquid crystal displays utilizing photoluminescent tra...
- Patent number 4,518,225
- Issue date May 21, 1985
- Rockwell International Corporation
- Lee R. Fredrickson
- G02 - OPTICS
Information Patent Grant
Solid state mach/air speed indicator
- Patent number 4,463,355
- Issue date Jul 31, 1984
- Rockwell International Corporation
- Elmer L. Schultz
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS