Francis J. O'Hara

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Bedford, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Microwave phase discriminator
- Patent number 4,446,388
- Issue date May 1, 1984
- Raytheon Company
- Francis J. O'Hara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Matching section for multi-arm spiral antenna
- Patent number 4,396,921
- Issue date Aug 2, 1983
- Raytheon Company
- Francis J. O'Hara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Broadband antenna element
- Patent number 4,233,608
- Issue date Nov 11, 1980
- Raytheon Company
- Robert L. Moran
- H01 - BASIC ELECTRIC ELEMENTS