ALEXANDRIA, Va., June 6 -- United States Patent no. 12,279,678, issued on April 22.

"Mechanism that allows the use of interchangeable heads" was invented by Periklis Galanakis (Athens, Greece).

According to the abstract* released by the U.S. Patent & Trademark Office: "Mechanism (1) that allows the user to replace interchangeable heads (2) of decorative and functional elements, of different sizes and designs, which shape the modular structure and image of the products in which this mechanism (1) is embedded, applies to the jewelry, fashion and smart wearables industries. The mechanism (1) comprises: an interchangeable head (2), a lug (3), forming part of the interchangeable head (2), a cover (4), a spring cover (5), a spring (6), a main b...