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System for providing a warning when vehicles approach a common collision point
System for providing a warning when vehicles approach a common collision point
US Patent
4931793
· Granted Jun 5, 1990
Estimated economic value:
$98,000
ⓘ
Assignee
Evolution Devices
Inventors
Norbert Fuhrmann
(1 patents)
Nick Friedman
(1 patents)
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