SIGNAL DEVICE
United States Patent 3485201
US Patent References:
/RE18226.html
- - RE18226

/1135372.html
- - 1135372

/1250064.html
- - 1250064

Signal-post
- - 1337947

Self-righting traffic post
- - 1435363


Inventors:
Kelley, Paul D.
Publication Date:
12/23/1969
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Assignee:
Borg, Warner
Primary Class:
116/63P
Other Classes:
404/10, 40/612, 40/608
International Classes:
E01F9/017; E01F9/011; G09F7/00; E01F9/10
US Patent References:
1753309Exercising apparatus
1939968Flexible post
2407634Shock absorbing aerial towline
2465936Emergency arresting device for moving objects
3191890Arresting systems




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