W in the part number = manufactured by Wright Tool, Barberton, Ohio
H in the part number = manufactured by Thorsen Tool Co., Oakland, California

84W4758 Powr Kraft ratchet (rebranded Wright)
(photo: ebay)

Powr Kraft 84H4847 socket (rebranded
THORSEN)
(photo: ebay)

Powr Kraft 84W4847 socket (rebranded
WRIGHT on the RIGHT)
(photo: ebay)
and now for the fun part:
The Powr-Kraft (and other brands marketed by Montgomery Ward) that were supplied by Duro/Indestro don't have any codes!
Other than a few "WardmastR" ratchets with tiny "D" symbols forged into the handles, about the only way to identify Duro/Indestro manufactured Powr Kraft is eyeball identification.
Fortunately, Duro/Indestro's give-away signature marks make their products pretty easy to identify: knurled bands (or single plain bands); ratchet designs; wrench designs.
The socket on the
LEFT in the third image was manufactured by Duro/Indestro. (Single knurled band - Duro/Indestro signature mark.)