Pen

The ornamental design for a pen, as shown and described.

FIG. 1 is a top, right front perspective view of a pen showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Patent	Priority	Assignee	Title
D337350,	Apr 06 1992	Justide Industrial Limited	Ball-point pen
D482068,	Dec 29 2001	Jacob Ritter GmbH	Ball point pen
D484913,	Jun 04 2003	Holland USA, Inc.	Clip for a writing instrument
D506781,	Apr 24 2004	Jacob Ritter GmbH	Ball point pen
D584354,	Apr 07 2007	Ritter-Pen GmbH	Ballpoint pen
D670333,	Sep 16 2010	Ritter-Pen GmbH	Ballpoint pen
D975780,	Oct 30 2020	Michael, Van Dyke	Pen clip

Patent	Priority	Assignee	Title
D272750,	Jun 17 1981		Writing instrument or similar article
D285730,	Jul 27 1984	Sanca International Inc.	Cosmetics applicator
D312096,	Apr 21 1989	PRODIR S A	Writing instrument
D312391,	Oct 19 1989	Prodir S.A.	Writing instrument
D316726,	Dec 25 1987	Pentel Kabushiki Kaisha	Ball point pen
D318294,	Nov 17 1988		Writing instrument
D319663,	Mar 20 1989	Tombow Pencil Co. Ltd.	Design for a pen
D319845,	Mar 13 1989	J.S. Staedtler GmbH & Co.	Mechanical pen
D321718,	Jan 05 1989		Ball point pen with retractable cap
D326683,	Jul 23 1990	Tombow Pencil Co., Ltd.	Mechanical pencil

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Jun 20 1991	HU, JAMES	Pro Eton Corporation	ASSIGNMENT OF ASSIGNORS INTEREST	005783	0312	pdf
Jun 26 1991		Pro Eton Corporation	(assignment on the face of the patent)

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