After 1963, as the address has a Zip Code.
Blue Rocks were a product of the Chamberlin Cartridge & Target Co. from the 1890s, first in Cleveland and then later at their factory in Findley, Ohio. In August 1933, Remington Arms Co., Inc. acquired Chamberlin and the Findley factory.
https://www.remingtonsociety.org/produc ... d-ware-ii/
I don't know when they moved to Ada, OK.