ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,688, issued on Feb. 17, was assigned to SIG SAUER INC. (Newington, N.H.).
"Optical system with cant indication" was invented by Andrew W. York (Portland, Ore.) and Gregory Scott Smith (Canton, Ga.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic indicator on a see-through optical scope indicates whether an optical system is canted. The visual indicator may include one or more LEDs coupled to a microprocessor that is also coupled to a solid-state electronic inclinometer incorporated into the internal structure of the optical system. The microprocessor is configured to selectively illuminate the visual indicator based on the output of the ...