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Today there are as independent brands both ''Mentmore'' and [[Platignum]].

There is, however, known production of pens under the [[Platignum]] brand name bearing ''"Mentmore Manufacturing Company"'' as a reference to the manufacturer through the 1950s and presumably beyond, and it is unclear the terms under which either brand name was used, the company appearing to have adopted the [[Platignum]] name in [[1981]] (as reported by Grace Guide, which cites the May 1, 1981 issue of The Times). Today, both ''Mentmore'' and [[Platignum]] exist as independent trademarks.

 

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