US Patent Issued to Larson Manufacturing Company of South Dakota on June 10 for "Door assembly for selectively interlocking opposing doors" (Rhode Island, Michigan Inventors)

ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,022, issued on June 10, was assigned to Larson Manufacturing Co. of South Dakota LLC (Brookings, S.D.).

"Door assembly for selectively interlocking opposing doors" was invented by Ayako P. Takase (Providence, R.I.), Robert Hutton IV (Providence, R.I.), Patrick Scott Grossman (Grand Haven, Mich.), Lynn K. Van Sickle (Coopersville, Mich.), Tommy Leon Knight (Grand Rapids, Mich.), Dylan S. Schlenvogt (Holland, Mich.) and Brian Lafrence (Holland, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A door assembly for selectively interlocking opposing doors each pivotably mounted at a hinge side thereof to a door frame so as to both open and close in th...