When Simmons or Sears etc, (a hardware chain), wanted scrapers to sell, they ordered them made with no name cast on, and put the Dunlap or Blue Grass, Wizard, Lakeside, Universal, ..........
label on.
You could get your own name cast in (Keen Kutter, OVB etc) but that cost extra.
Its a Sargent scraper alright, and pretty top of the line.
Besides the name game, if you were Sears and ordering thousands, you could demand a lower price per unit, and leave the manufacturer to cut corners until they met the price. You see a lot of cut corners on hardware tools. Sometimes badly cut corners.
yours Scott