ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,729, issued on Dec. 9, was assigned to Redgrass SA (St-Sulpice, Switzerland).

"Wet palette for water-based paint" was invented by Fabrice Massad (St-Sulpice, Switzerland) and Vivien Massad (Preverenges, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wet palette for water-based paint that includes a flat container having a peripheral rim and which, in its operational state, contains water. A retaining structure for the water, preferably a sponge or a foam, is placed in the flat container and arranged to become impregnated and moisten by contact and absorption of the water contained in the flat container. A sheet of paper permeable to the...