US Patent Issued to Sun Six Innovation on June 30 for "Friction enhanced and adjustable 'y' grip doorframe pullup bar" (Texas Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,755, issued on June 30, was assigned to Sun Six Innovation LLC (Dover, Del.).

"Friction enhanced and adjustable 'y' grip doorframe pullup bar" was invented by John Clutter (Irving, Texas) and Alireza Yazdanshenas (Richardson, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A doorway pullup bar is presented comprising an ability to safely and firmly rest on a header of a doorframe, whereby a friction strip is added to an underside of a cross-beam that extends between a first angle bar and a second angle bar of the doorway pullup bar. Further, the doorway pullup bar provides improved grip variety so that a user can engage with the same doorway pu...