ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,505, issued on Nov. 11, was assigned to Ossur Iceland ehf (Reykjavik, Iceland).

"Pump mechanism" was invented by Hafsteinn Jonasson (Reykjavik, Iceland), Hallgrimur Skuli Hafsteinsson (Reykjavik, Iceland), Egill Sveinbjorn Egilsson (Reykjavik, Iceland), Dana Stewart Marlin (Reykjavik, Iceland) and Marco Steinberg (Reykjavik, Iceland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A prosthetic system includes a prosthetic foot with a foot member defining a first end portion, a second end portion, and an intermediate portion defining a curvature and extending between the first and second end portions. A pump mechanism is coupled to the foot member. The...