ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,521, issued on April 14, was assigned to BLAKE MEDICAL GROUP INC. (Hamilton, Canada).

"Adjustment device for removably coupling a seatback to a seat" was invented by Chris Hawkins (London, Canada), Stephen Orzel (Hamilton, Canada), Graham Hills (Hamilton, Canada) and Kirk Mosna (Oakville, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adjustment device for removably coupling a seatback to a seat. The adjustment device can include a first adjuster and/or a second adjuster for adjusting respective linear and angular positions of the seatback relative to the seat. The first adjuster can include a first linear actuator, a main body and a slid...