Innovative Opal design patent for sunglasses – USD613788

July 16, 2017

This Opal patent directed towards a sunglasses has been rated one of the most influential design patents in the field of photographic, cinematographic and optical apparatus. Opal, Inc. was awarded U.S. Patent D613788 entitled “Sunglasses” on April 13, 2010. The patent has been cited 114 times by other U.S. patents, which places it among the…
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