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The ornamental design for a high security telephone instrument, as shown. |
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FIG. 1 is a perspective view of a high security telephone instrument showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.
| Patent | Priority | Assignee | Title |
| D488792, | Apr 17 2003 | MANDELA, CHARLES CHIP , JR, MR | Telephone |
| D488793, | Apr 17 2003 | MANDELA, CHARLES CHIP , JR, MR | Telephone |
| Patent | Priority | Assignee | Title |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 04 1991 | BASS, CHARLES J | QUADRUM TELECOMMUNICATIONS, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005647 | /0783 | |
| Mar 22 1991 | Quadrum Telecommunications, Inc. | (assignment on the face of the patent) | / | |||
| Sep 30 1999 | QUADRUM TELECOMMUNICATIONS, INC | BANCA QUADRUM, S A | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 010377 | /0843 | |
| Sep 30 1999 | QUADRUM TELECOMMUNICATIONS, INC | FACTOR QUADRUM DE MEXICO, S A DE C V | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 010377 | /0843 |
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