Driveway obstruction post

The ornamental design for a driveway obstruction post, as shown.

FIG. 1 is a perspective view of a driveway obstruction post showing my new design; and,

FIG. 2 is a perspective view thereof looking in a direction opposite to that of FIG. 1.

Patent	Priority	Assignee	Title
D658953,	Oct 04 2007		Post driver
D670983,	Mar 08 2011		Two-piece adjustable forcible entry tool
D675494,	Aug 02 2010		Post pounder
D806904,	Aug 16 2016		Roof mounted electrical service stanchion
D947414,	May 20 2020	NEWMAN, GERALD W	Mobile stackable tower
ER3298,
ER6789,
ER702,

Patent	Priority	Assignee	Title
4123183,	Aug 29 1977		Guidepost for roadways and the like
4533122,	Jun 10 1981	Marler Haley Exposystems Ltd.	Barrier system
5365695,	May 14 1991		Parking place obstruction
5441359,	Feb 09 1994	Filippi Brothers Inc.; FILIPPI BROTHERS, INC	Collapsible vehicular barrier
223632,

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