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The ornamental design for wireless headphones for hands-free telephoning, as shown and described. |
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FIG. 1 is a front perspective view of the wireless headphones for hands-free telephoning; and,
FIG. 2 is a side perspective view thereof.
| Patent | Priority | Assignee | Title |
| Patent | Priority | Assignee | Title |
| 4727599, | Oct 02 1985 | RAPPAPORT, RICHARD M | Waterproof radio headband |
| 5793865, | May 24 1995 | Cordless headset telephone | |
| D263043, | Jan 23 1980 | Doris J., Leeds | Headset for one-way private channel radio communications system |
| D357479, | Dec 16 1993 | U.S. Philips Corporation | Earphone |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 24 2000 | DeTeWe AG & Co. | (assignment on the face of the patent) | / | |||
| Aug 24 2000 | ARPE, MICHAEL | DETEWE AG & CO | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012005 | /0229 | |
| Aug 10 2005 | DETEWE - DEUTSCHE TELEPHONWERKE AKTIENGESELLSCHAFT & CO KG | DETEWE SYSTEMS GMBH | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017275 | /0307 |
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