Remote emergency traffic control system
United States Patent 2903674
US Patent References:
Radio warning system for use on vehicles
- - 1612427
Radio traffic control
- - 2203871
Control system
- - 2355607
Radio warning system for use on vehicles
- - 1612427
Radio traffic control
- - 2203871
Control system
- - 2355607
Inventors:
Schwab, Bruce B.
Publication Date:
09/08/1959
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Export Citation:
Assignee:
NORTH AMERICAN AVIATION INC
Primary Class:
Other Classes:
340/825.690
International Classes:
G08G1/087; G08G1/07
Foreign References:
| GB473044A |