Robert L. Johnson

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Pasco, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for tracking objects underwater
- Patent number 6,097,670
- Issue date Aug 1, 2000
- Battelle Memorial Institute
- Robert L. Johnson
- G01 - MEASURING TESTING
Information Patent Grant
Dual-head multibeam sonar apparatus and method for tracking objects...
- Patent number 6,084,827
- Issue date Jul 4, 2000
- Battelle Memorial Institute
- Robert L. Johnson
- G01 - MEASURING TESTING