ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,289, issued on June 23.
"Reinforced envelope" was invented by Allen R. Boedeker (Philadelphia).
According to the abstract* released by the U.S. Patent & Trademark Office: "An envelope has a first end, a second end, and a receiving portion having a front face and a rear face. Each of the front face and the rear face extends between the first end and the second end. A pocket is formed between the front face and the rear face between the first end and the second end. A flap extends from the front face, the flap including an adhesive surface for adhering the flap to the rear face. A fold line defines a boundary between the receiving portion and the flap. A first reinforcing strip ext...