DELUXE PRODUCTS CORPORATION can be seen stamped into the lids of oil filter canisters that originated from a long-gone parts supplier whose origins and demise are not readily verified.  But DeLuxe had the forethought to also stamp the filter element required into the canister lid for service needs, so that information endures.  Questions about these filter canisters and elements in 2009, 2015, and 2020 got me motivated to do some research to see if I could find anything dispersed across the inte