ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,826, issued on March 31.

"Float indication seal" was invented by Michael Wayne Lawrence (West Chester, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "The improved float indication seal includes a float, a float rod, a level indicator, and a wall pass-through. The improved float indication seal may indicate a level of a liquid in a tanker. The float may be located inside of the tanker and may be buoyed by the liquid. The float rod may couple the float to the level indicator located outside of the tanker such that the level indicator may move synchronously with the float to indicate the level of the liquid. The wall pass-through comprising a pac...