ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,384, issued on July 8.
"Lockable valve-actuated suction apparatus" was invented by Israel Harry Zimmerman (Los Angeles).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lockable valve-actuated suction apparatus includes a resilient anchor member having an inner side arranged to seal against a reference surface, and an outer side. The anchor member includes a vent port extending between its inner and outer sides. A movable member is slidably movable between a sealing position wherein the vent port is blocked and a venting position wherein the vent port is unblocked. A twist-to-lock coupling connection is provided between the movable member and the anch...