Ornamental design for a power supply unit

The ornamental design for a power supply unit, as shown and described.

FIG. 1 is a front elevational view of a power supply unit showing our new design.

FIG. 2 is a rear perspective view thereof on a reduced scale.

FIG. 3 is a front perspective view thereof on a reduced scale.

The characteristic features of our design reside in the arrangement of the front panel member as best shown in FIG. 1.

Patent	Priority	Assignee	Title
D273103,	Sep 14 1981	Nordson Corporation	Fluid material application controller
D615492,	Oct 15 2009	SANYO FINE IRICA TECHNOLOGY INC	Power-supply unit
D752513,	Oct 15 2014		Multi-voltage DC power supply module

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Mar 27 1980		Pace Incorporated	(assignment on the face of the patent)
Mar 26 1985	PACE INCORPORATED, A CORP OF DELAWARE	PACE, INCORPORATED, A CORP OF MARYLAND	MERGER SEE DOCUMENT FOR DETAILS 5-20-85	004489	0140	pdf

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