Adrian van't Hullenaar deceased

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late of Smithville, CA

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Patents Grantslast 30 patents

Information Patent Grant
Own doppler nullifier for sonar system
- Patent number 4,316,269
- Issue date Feb 16, 1982
- Westinghouse Canada Limited
- Adrian van't Hullenaar
- G01 - MEASURING TESTING
Information Patent Grant
Digital time-delay beamformer for sonar systems
- Patent number 4,316,270
- Issue date Feb 16, 1982
- Westinghouse Canada Limited
- Adrian van't Hullenaar
- G01 - MEASURING TESTING
Information Patent Grant
Digital time-delay beamformer for sonar systems
- Patent number 4,274,148
- Issue date Jun 16, 1981
- Westinghouse Canada Limited
- Adrian van't Hullenaar
- G01 - MEASURING TESTING