US Patent Issued to Pratt Corrugated Holdings on July 22 for "Tamper-evident box" (Florida, Texas Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,509, issued on July 22, was assigned to Pratt Corrugated Holdings Inc. (Brookhaven, Ga.).

"Tamper-evident box" was invented by Robert F. Humberstone (Port Charlotte, Fla.) and Hector Nava (Dallas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A blank can include a first main panel; a locking tab extending from and separable from the first main panel, the locking tab comprising a neck and an ear; a second main panel connected to the first main panel and facing the first main panel; and an end panel extending from the second main panel, the end panel defining a locking opening, the locking opening sized to receive and lockably engage at least a portio...