Title:
Marker material and method
Document Type and Number:
United States Patent 2882632

Inventors:
Rockwell, Donald M.
Keeley, Armand E.
Joseph, William D.
Publication Date:
04/21/1959
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Referenced by:
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Assignee:
PRISMO SAFETY CORP
Primary Class:
40/615
Other Classes:
404/14, 359/540
International Classes:
G02B5/128; G09F13/16; G02B5/12
US Patent References:
0823445
1902440Sign
2043414Marker for highways
2294930Reflex light reflector
2354048Flexible lenticular optical sheet
2354049Backless reflex light reflector
2379702Reflex light reflector
2383884Colored reflex light reflector
2403752Flexible reflex reflecting film
2411222Highway reflector sign and the like
2422256Flexible reflex reflecting film
2432928Transparent pressure-sensitive lenticular sheet
2592882Reflex light reflector
Foreign References:
SE96686A
GB352662A
GB556935A
FR837286A




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