ALEXANDRIA, Va., April 7 -- United States Patent no. 12,593,884, issued on April 7, was assigned to Busch PROtective Germany GmbH & Co KG (Guetersloh, Germany).
"Support rail for attachment of helmet accessory to a helmet, as well as helmet accessory, support system and helmet" was invented by Edwin Busch (Guetersloh, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A support rail for attachment of a helmet accessory to a helmet. The support rail including: a top side; a first receiving side; and a second receiving side. The top side has an attachment portion configured to be fixed to a bottom side of the helmet. The first receiving side having a first retaining groove and the second receiving side hav...