ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,309, issued on March 4, was assigned to Werner Co. (Greenville, Pa.).

"Apparatus with platform and latch" was invented by Thomas W. Parker (Jamestown, Pa.), Brian Wong-Shui (Atlanta), Devin Lee Moore (Decatur, Ga.), Christian M. Otis (New Haven, Conn.) and Erick E. Rios (New Haven, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stepladder includes a front section having a first front leg and a second front leg. The stepladder includes a step attached to the first front leg and the second front leg. The stepladder includes a latch engaged with the step. The stepladder includes a rear section having a first rear leg and a second rear leg and a...