ALEXANDRIA, Va., June 9 -- United States Patent no. RE50,407, issued on April 29, was assigned to FLIP SCREEN AUSTRALIA PTY LTD (East Wagga Wagga, Australia).
"Intrascopic hydraulic cylinder" was invented by Sam Turnbull (Mangoplah, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic cylinder (1) which acts as a cylinder hollow rod in an outer hydraulic cylinder (10) is disclosed comprising an inner rod (4) with a piston (2) and piston-gland (3) wherein the cylinder hollow rod (1) is held longitudinally displaceably in the cylinder housing (10). The system additionally has a cylinder base (5) and a fibre cover (14) on the outer casing of hydraulic cylinder (10). The system also has ports for...