There are Leviton Futura receptacles, H&H Deluxes, Hubbell Safety Receptacles, Paulding Grounded Receptacles, General Electric Grounded Receptacles, Bryant Grounded Receptacles, and Sierra Grounded Receptacles that predate the P&S Super. Any info? Paulding, General Electric, and Bryant are confirmed to have existed. The others are possible.

Yes I have, I even own of the obscure receptacles listed. I want the standard grounded that they still use to this day that can date before the Pass & Seymour Super that came out in 1963.