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			 The ornamental design for a portable telephone, as shown and described.  | 
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FIG. 1 is a bottom, right, front, perspective view of a portable telephone with the keypad cover open showing my new design;
FIG. 2 is a bottom, right, front, perspective view of a portable telephone with the keypad cover closed;
FIG. 3 is a front elevation view of a portable telephone with the keypad cover open;
FIG. 4 is right elevation view of a portable telephone with the keypad cover open;
FIG. 5 is a bottom plan view of a portable telephone with the keypad cover open;
FIG. 6 is a front elevation view of a portable telephone with the keypad cover closed;
FIG. 7 is a right elevation view of a portable telephone with the keypad cover closed;
FIG. 8 is a top plan view of a portable telephone with the keypad cover closed;
FIG. 9 is a rear elevation view of a portable telephone with the keypad cover closed; and,
FIG. 10 is a bottom plan view of a portable telephone with the keypad cover closed.
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| 6785386, | Feb 21 1997 | Nokia Mobile Phones Limited | Radio handset | 
| 7433466, | Feb 21 1997 | Nokia Mobile Phones Limited | Radio handset | 
| D400527, | Dec 15 1997 | Motorola Mobility LLC | Portable telephone | 
| D411844, | Aug 14 1998 | Motorola Mobility LLC | Telephone housing | 
| D425058, | Mar 08 1999 | Mitsubishi Electric France | Portable phone | 
| ER4988, | |||
| ER7748, | 
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Mar 13 1996 | Motorola, Inc. | (assignment on the face of the patent) | / | |||
| Mar 13 1996 | WILLIAMS, DANIEL L | Motorola, Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007949 | /0556 | 
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