ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,312, issued on Jan. 20, was assigned to OMS Investments Inc. (Los Angeles).

"Tamper-resistant rodent bait station" was invented by James R. Walsh (Wauwatosa, Wis.) and Daniel C. Johnson (Madison, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pre-baited consumer bait station for rodents which is gnaw resistant and has other design features to make the bait station resistant to rodenticide access by children, dogs, other pets, domestic animals, and nontarget wildlife. An injection molded translucent cover is permanently locked to a base about the cover's edges and center by elastic actuated hooks which engage receptacles on the base. The cover...