Title:
Road line markers
United States Patent 3105457
US Patent References:
Pyramidal highway marker with resilient walls
- - 2483734
Erosion preventive device
- - 2803113
Pyramidal highway marker with resilient walls
- - 2483734
Erosion preventive device
- - 2803113
Inventors:
Krueger, Arthur C.
Publication Date:
10/01/1963
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Export Citation:
Assignee:
TRI TIX INC
Primary Class:
Other Classes:
428/11, D21/386, 116/63P, D11/125
International Classes:
E01F9/012; E01F9/011