ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,764, issued on Aug. 5, was assigned to William Kreysler & Associates Inc. (American Canyon, Calif.).

"Weatherproof joint for exterior building panels" was invented by William Kreysler (American Canyon, Calif.), Timothy Oliver (San Francisco), Joshua Zabel (Oakland, Calif.) and Alyssa Johnson (American Canyon, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect, the present disclosure includes a curtain wall panel having an inner core material sandwiched between two outer walls and at least one elastic member inserted into at least one channel formed by the inner core material. In some aspects, the present disclosure provides a curtain...