ALEXANDRIA, Va., March 31 -- United States Patent no. 12,593,162, issued on March 31.

"Earbud housing apparatus and method of manufacturing" was invented by William Struckman (Fayetteville, N.C.) and Michael Vinson Edwards (Helena, Mont.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An earbud housing apparatus and method of manufacture for entirely encapsulating a speaker assembly within a single unit earbud housing. A plurality of flanges permanently fixed inside a multi-point inner ear lock create a hearing protection and sound adapter. The hearing protection and sound adapter is permanently fixed to the speaker assembly to form the complete earbud housing apparatus."

The patent was filed on April 18, 20...