Darrell J. Lowrance

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Tulsa, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Sonar transducer assembly for fishing boats
- Patent number 4,907,208
- Issue date Mar 6, 1990
- Lowrance Electronics, Inc.
- Darrell J. Lowrance
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sonar fish finder apparatus providing split-screen display
- Patent number 4,879,697
- Issue date Nov 7, 1989
- Lowrance Electronics, Inc.
- Darrell J. Lowrance
- G01 - MEASURING TESTING