US Patent Issued to LINCOLN GLOBAL on April 21 for "Automatic darkening apparatus with integrated magnification lens" (Pennsylvania, Ohio Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,284, issued on April 21, was assigned to LINCOLN GLOBAL INC. (Santa Fe Springs, Calif.).

"Automatic darkening apparatus with integrated magnification lens" was invented by Eric G. Stewart (Girard, Pa.) and Paul H. Rumpke (Lakewood, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment includes an auto-darkening apparatus for supporting welding performed by a human welder. The auto-darkening apparatus includes a housing configured to be removably installed into a welding helmet. The auto-darkening apparatus also includes an ADF lens assembly configured to transition from an un-darkened state to a darkened state in response to light from ...