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Esther S. Massengill
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Leucadia, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Automated fail-safe sea rescue flotation system
Patent number
6,439,941
Issue date
Aug 27, 2002
Richard J. McClure
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Patents Applications
last 30 patents
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Patent Application
Instrumented Traffic Cones for 5G/6G Networking
Publication number
20220148421
Publication date
May 12, 2022
Esther S. Massengill
G08 - SIGNALLING
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Patent Application
Automated fail-safe sea rescue flotation system
Publication number
20010049241
Publication date
Dec 6, 2001
Richard J. McClure
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT