ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,811, issued on Feb. 3, was assigned to United States of America, as represented by the Secretary of the Navy (Arlington, Va.).
"Compact thermal expansion compensator" was invented by Michael J. Pero (King George, Va.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A compact modular mount is provided for mechanically compensating for focal distance change on a table due to thermal expansion. The mount includes first and second rings, a plurality of spacers and a plurality of bolts. The second material has a multi-factor higher coefficient of thermal expansion than the first material. Each of the first and second rings has a plurality of holes for recei...