ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,742, issued on Nov. 25, was assigned to SUPAS LTD (Hong Kong).
"Dual illumination optical sight" was invented by Hermann Theisinger (Vienna), Gavin James Palmer (Bern, Switzerland) and Karsten Richter (Bern, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical sight for a firearm can be provided with multiple light sources for illuminating one or more aiming marks on the sight. The light sources may be multiple LEDs, e.g. of different colors that can provide illumination in different lighting conditions. The lights sources may also be physical process driven light sources, such as a Gaseous Tritium Light Source (GTLS). A combination...