May 28, 2021
I noticed in my first post that my pictures were blurry when expanded, so I've sent a second set of pictures.
TPUTI I is printed on an arm on the top side.
41013, 41016, 41010B, 31881 are stamped on the arms on the bottom.
Made in the U.S.A, 05/01/01, and 05:55 are on the bottom of the housing.