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The ornamental design for a telephone set add-on accessory module, substantially as shown and described. |
FIG. 1 is a top plan view of a telephone set add-on accessory module showing my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a top plan view of a second embodiment thereof;
FIG. 7 is a front, top and right side perspective view of the embodiment shown in FIGS. 1-5; and
FIG. 8 is a front, top and right side perspective view of the embodiment shown in FIG. 6 and it will be understood that the undisclosed elevational views of the second embodiment are substantially similar to those of the first embodiment except for the self evident top surface differences as shown in FIG. 8.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 23 1984 | RYAN, DESMOND J | BELL-NORTHERN RESEARCH LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 004281 | /0977 | |
Jun 04 1984 | BELL-NORTHERN RESEARCH LTD | Northern Telecom Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 004281 | /0978 | |
Jun 11 1984 | Northern Telecom Limited | (assignment on the face of the patent) | / | |||
Apr 29 1999 | Northern Telecom Limited | Nortel Networks Corporation | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 010567 | /0001 | |
Jan 25 2000 | Nortel Networks Corporation | AASTRA Technologies Limited | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 011641 | /0324 | |
Aug 30 2000 | Nortel Networks Corporation | Nortel Networks Limited | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 011195 | /0706 |
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