US Patent Issued to EVP International on March 24 for "Photoluminescent signage for low light ambient environment" (Ohio Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,586,488, issued on March 24, was assigned to EVP International LLC (Cincinnati).

"Photoluminescent signage for low light ambient environment" was invented by Zachary L. Green (Cincinnati) and Kenneth W. Miller (Cincinnati).

According to the abstract* released by the U.S. Patent & Trademark Office: "A non-powered photoluminescent sign can be charged in low light conditions. The message is viewable with ambient light and without ambient light at a distance of 50 feet. Methods and other photoluminescent signs are also provided."

The patent was filed on May 2, 2019, under Application No. 16/401,568.

*For further information, including images, charts and tables, please visit: http://pa...