Patent
   D337120
Priority
Dec 19 1991
Filed
Dec 19 1991
Issued
Jul 06 1993
Expiry
Jul 06 2007
Assg.orig
Entity
unknown
4
4
n/a
The ornamental design for a video production switcher, as shown and described.

FIG. 1 is a front right side perspective view of the video production switcher showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is an enlarged right side elevational view thereof; and,

FIG. 5 is an enlarged left side elevational view thereof.

The undisclosed bottom view is unornamented.

Staley, Darrell S.

Patent Priority Assignee Title
D931280, Jul 10 2019 LoupeDeck Oy Multimedia editing console
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Patent Priority Assignee Title
D291196, Sep 07 1984 TEAC Corporation Combined tape recorder and audio mixer
D309455, Nov 05 1987 Ampex Corporation Video switcher
D325204, Feb 14 1990 TEAC Corporation Combined audio mixer and tape recorder
D325580, Apr 19 1989 TEAC Corporation Audio mixer
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 19 1991Ampex Systems Corporation(assignment on the face of the patent)
Dec 19 1991STALEY, DARRELL S AMPEX CORPORATION A CORPORATION OF CAASSIGNMENT OF ASSIGNORS INTEREST 0059650424 pdf
Jul 24 1992AMPEX CORPORATION A CORPORATION OF CALIFORNIAAMPEX SYSTEMS CORPORATION A DE CORP ASSIGNMENT OF ASSIGNORS INTEREST 0063340371 pdf
Apr 26 1995AMPEX SYSTEMS CORPORATION, A DE CORPORATIONAmpex CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0074560224 pdf
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