ALEXANDRIA, Va., July 23 -- United States Patent no. 12,367,993, issued on July 22, was assigned to PPG Industries Ohio Inc. (Cleveland).
"Positive temperature coefficient component" was invented by Shawn R. DeBerry (Cranberry Township, Pa.), Thomas E. Decker (Pittsburgh), David W. Posey Jr. (Apollo, Pa.) and Michelle A. Andrykovitch (Irwin, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A positive temperature coefficient component includes: a substrate (32); a conductive ink (36) disposed over at least a portion of the substrate (32); a positive temperature coefficient layer (38) disposed over at least a portion of the substrate (32) and/or the conductive ink (36); and a topcoat layer (42) formed from a...