ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,603, issued on Dec. 23, was assigned to BAE Systems Space & Mission Systems Inc. (Broomfield, Colo.).

"Actuator and method for precise positioning" was invented by Jordan S. Wachs (Sudbury, Mass.) and Joseph H. Ho (Louisville, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Actuator systems and methods are provided. The actuator enables small positional changes to be made between a base or platform and a moveable element. In particular, the actuator includes prime movers that operate to apply a force to change a dimension of a body or stem of the actuator in a first direction, which in turn changes a dimension of the stem in a second direction ...