US Patent Issued to Phiber Manufacturing on June 24 for "Towed earth moving implement with fixed-winged pitch-adjustable blade assembly" (Canadian Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,603, issued on June 24, was assigned to Phiber Manufacturing Inc. (Crystal City, Canada).

"Towed earth moving implement with fixed-winged pitch-adjustable blade assembly" was invented by Derek J. Friesen (Crystal City, Canada), Sean D. Chevalier (Crystal City, Canada) and Harvey G. Bergen (Crystal City, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A towed earth moving implement features a longitudinal pull tongue, a winged blade assembly with a transverse center blade and a pair of angled outer wing blades, and a wheeled frame on which the blade assembly is carried. A pivotal blade-pitch between the pull tongue and the blade assembly define...