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The ornamental design for an intercommunication apparatus, as shown. |
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FIG. 1 is a front top and right side perspective view of an intercommunication apparatus showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right side elevational view thereof; and
FIG. 7 is a left side elevational view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 29 1981 | DOODSON, PETER J | U S PHILIPS CORPORATION | ASSIGNMENT OF ASSIGNORS INTEREST | 003975 | /0537 | |
| Feb 22 1982 | U.S. Philips Corporation | (assignment on the face of the patent) | / |
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