ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,538,989, issued on Feb. 3, was assigned to HUSSMANN Corp. (Bridgeton, Mo.).
"Transparent door" was invented by Rick M. LaMontagne (Warrenton, Mo.), Michael S. Estes (Bradenton, Fla.), Stephen Pew (Clarksville, Tenn.) and Saicharan Sunkara (Sarasota, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A door assembly including a first glass pane, a second glass pane, and a spacer positioned between the first glass pane and the second glass pane such that the first pane and the second pane are separated by the spacer. The door assembly also includes an element that is coupled to the first glass pane and the second glass pane and positioned exterior of the ...