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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Graham; Jeannell
Address:
Waldorf, MD
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
7557694 Vehicle tire tread depth determining system July 7, 2009
A vehicle tire tread depth determining system includes an annular member embedded beneath an outer surface, and disposed beneath a tread layer, of a vehicle tire. The member has photo-chromatic properties that change color when exposed to ultraviolet light. The member also has a body










 
 
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