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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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