ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,750, issued on June 17.

"Fail-safe sealing systems for watercraft including self-bailing drain plugs and sealing caps securable to the outboard side of the self-bailing drain plugs" was invented by Christopher Cialdella (Warren, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fail-safe sealing system for a watercraft includes a self-bailing drain plug having an outer wall with a proximal end having a proximal opening, a distal end having a distal opening, and a fluid conduit that extends from the proximal opening to the distal opening. The sealing system includes a check valve including a ball disposed within the fluid conduit and being surrou...