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The ornamental design for a video production switcher, as shown and described. |
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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.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 19 1991 | Ampex Systems Corporation | (assignment on the face of the patent) | / | |||
| Dec 19 1991 | STALEY, DARRELL S | AMPEX CORPORATION A CORPORATION OF CA | ASSIGNMENT OF ASSIGNORS INTEREST | 005965 | /0424 | |
| Jul 24 1992 | AMPEX CORPORATION A CORPORATION OF CALIFORNIA | AMPEX SYSTEMS CORPORATION A DE CORP | ASSIGNMENT OF ASSIGNORS INTEREST | 006334 | /0371 | |
| Apr 26 1995 | AMPEX SYSTEMS CORPORATION, A DE CORPORATION | Ampex Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007456 | /0224 |
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