ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,051, issued on April 21.

"Door holder" was invented by William J Zannoni (Dracut, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A door holder having a ring defining a hole, a leg having one end proximate to the ring and a second distal end, the leg having at least one adjustable parameter. The lip is located near the distal end of the leg. A retaining means is located near the ring to fasten the door holder through the hole to a fixed structure, such as a door stop, while allowing rotation of the door holder about the fixed structure."

The patent was filed on July 2, 2023, under Application No. 18/346,251.

*For further information, includi...