There is a patent on EMI sleeves from the 50s,and 60s,too !As well those from  Capitol,RCA,and assorted US labels.

Tom Fine <[log in to unmask]> wrote:  That the plastic-inside-paper LP sleeves used by London/Decca and others in the 1970's and 1980's is 
patented? See UK #1072844. Hmm, does that mean that all the generic plastic-in-paper sleeves have to 
pay a royalty? I found this out because I noticed a patent number on a London sleeve from 1979 and I 
thought it was something to do with their FFRR process. Looked up the number at the UK patent office 
and, nope, it's just the inner sleeve.

-- Tom Fine


			
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