Egosummanes
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When did the R in a circle trademark symbol become used? I haven't found any information on that.
Trademark symbol
- Thread starter Egosummanes
- Start date
Ha - I have been wondering the same thing myself!
I seem to recall that Reg. U.S. Pat. Off. was used up until about 1947 but I can't confirm that and I can't remember where I learned that.
PS. I love your avatar - that pink nose is too much!
I seem to recall that Reg. U.S. Pat. Off. was used up until about 1947 but I can't confirm that and I can't remember where I learned that.
PS. I love your avatar - that pink nose is too much!