ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,507,779, issued on Dec. 30, was assigned to Dyson Technology Ltd. (Malmesbury, Great Britain).

"Hair styling appliance" was invented by Thomas Alexander Carlyle (Swindon, Great Britain), Darren Matthew Lewis (Bristol, Great Britain), Henry Licming Lambourn (Malmesbury, Great Britain) and Joseph Timm (Bristol, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hair styling appliance is described having a pair of electrodes, a chamber located between the electrodes for receiving a section of hair, and a drive unit for applying an alternating voltage to the electrodes to heat the hair dielectrically. The electrodes have a fixed spacing."

The p...