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Jewel Notes from Mary Ann
VINTAGE JEWEL THIEVERY; HEY, THAT'S MY DESIGN!
As an additional note, I just located a piece marked "TRIFARI COPR. PAT.
PEND." that is identified from a 1948 patent. So we might be able to
now say late 1940's for using a copyright mark. It will be interesting
to see if anyone has something dated even earlier!
VINTAGE JEWEL THIEVERY; HEY, THAT'S MY DESIGN!
As an additional note, I just located a piece marked "TRIFARI COPR. PAT.
PEND." that is identified from a 1948 patent. So we might be able to
now say late 1940's for using a copyright mark. It will be interesting
to see if anyone has something dated even earlier!
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