ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,606, issued on Sept. 23, was assigned to ACCUTUNE OFF-ROAD INC. (El Cajon, Calif.).
"Dual piston adjuster" was invented by Jeff Halper (Scotts Valley, Calif.) and Ryan Raker (La Mesa, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dual piston adjuster for a shock absorber has a first damping piston and a second damping piston. A first fluid path includes a first cross-sectional flow area and provides fluid communication of a working fluid to bypass the damping pistons. A second fluid path provides fluid communication of the working fluid from the first fluid path through the first damping piston and the second damping piston in series. A t...