ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,273, issued on Jan. 13.
"Blood flow direction favoring condom" was invented by David Preslicka (Sidney, Neb.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A condom is described in the form of a generally cylindrical sheath that extends along a central axis having an open end configured to accept a penis and an opposing closed end. On the inside surface of the sheath, one or more annular ribs are provided that extend radially inwardly towards the sheath's longitudinal axis. The ribs are configured to provide a greater hindrance to blood flow within a penis received in the condom in the direction of the open end as opposed to blood flow in the direct...