Pen retention apparatus

A pen retention device for releasably securing a pen to a tether is disclosed. The device includes the pen having an end and an annular interior surface defining a bore, a cap comprising an expandable retention interface disposed within the bore proximate the end, and an anvil securedly attached to...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HERRING DEAN F, DICKOVER WESLEY D, WOODWARD PHILIP M
Format:	Patent
Sprache:	eng
Schlagworte:	BUREAU ACCESSORIES IMPLEMENTS FOR WRITING OR DRAWING PERFORMING OPERATIONS TRANSPORTING WRITING OR DRAWING IMPLEMENTS
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