ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,137, issued on May 12, was assigned to One Corp. (Bettendorf, Iowa).

"Portable pitching lane for softball" was invented by Andrew Kerr (Kirkwood, Mo.), John Robert Pieritz Jr. (Moline, Ill.), Michael Lee Sampson (Davenport, Iowa) and Douglas Michael Kratz (Bettendorf, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "Novel and advantageous portable pitching lanes for softball are disclosed. In one embodiment, a pitching lane for softball is disclosed comprising a foundation layer, a surface layer, and a pitching rubber. The portable pitching lane is movable from place to place when not in use, but does not move when in use."

The patent was filed o...