US Patent 7736087 Portable highway warning device
Patent 7736087 was granted and assigned to Plastic Safety Systems, Inc. on June, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A portable highway warning device includes any number of elongated rumble strips each fabricated of a suitable flexible polymeric material. Embedded within each rumble strip are a plurality of laterally spaced metal plates or bars to provide ballast to each rumble strip. The metal plates or bars run transversely across the width of each rumble strip with sufficient spacing therebetween to permit each rumble strip to be rolled up lengthwise from end to end when not in use.
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Patent Inventor Names
Charles M. Mettler0
Gregory H. Brown0
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US Patent 07736087 Portable highway warning device US Patent 7736087 Portable highway warning device
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Patent Number
077360870
Patent Number
77360870
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Official Website
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
077360870
Date of Patent
June 15, 2010
0Patent Application Number
123412200
Date Filed
December 22, 2008
0Official Website
Patent Primary Examiner
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US Patent 07736087 Portable highway warning device
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07736087
Date of patent
June 15, 2010
Patent application number
12341220
Date Filed
December 22, 2008
Patent primary examiner
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