CONTINUOUS MANIFOLDED POCKETED RECORD CARD SYSTEM

This invention relates to a pocketed record card assembly which is formed from a plurality of superimposed plies of paper. The assembly includes a top ply, an intermediate ply and a backing ply. These plies are joined together along a generally U-shaped region which extends along an opposing pair of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RITCHIE, WILLIAM D, SHOULDICE, DOUGLAS B
Format: Patent
Sprache:eng ; fre
Schlagworte:
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