Frank R. Willis

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South Holland, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Fluid detection system and method having a coaxial cable with solid...
- Patent number 4,910,998
- Issue date Mar 27, 1990
- Andrew Corporation
- Frank R. Willis
- G01 - MEASURING TESTING
Information Patent Grant
Gas-blocked optical fiber cable unit
- Patent number 4,755,020
- Issue date Jul 5, 1988
- Andrew Corporation
- Frank R. Willis
- G02 - OPTICS