U.S. patent number D512,982 [Application Number D/216,253] was granted by the patent office on 2005-12-20 for spherical headphones. This patent grant is currently assigned to International Business Machines Corporation. Invention is credited to Luis Ernesto Elizalde Rodarte.
United States Patent | D512,982 |
Rodarte | December 20, 2005 |
Inventors: | Rodarte; Luis Ernesto Elizalde (Durham, NC) |
---|---|
Assignee: | International Business Machines
Corporation (Armonk, NY) |
Appl. No.: | D/216,253 |
Filed: | October 29, 2004 |
Current U.S. Class: | D14/205 |
Current International Class: | 1401 |
Field of Search: | ;D14/188,192,205,206,223 ;181/129,130,149 ;379/430,431,444 ;381/380,381,330,313,328,327,373 |
D137091 | January 1944 | Smith |
D215217 | September 1969 | Noyes |
D331966 | December 1992 | Gardner, Jr. |
5561275 | October 1996 | Savage et al. |
5792998 | August 1998 | Gardner et al. |
6056082 | May 2000 | Lindgren et al. |
6123168 | September 2000 | Berg et al. |
D469753 | February 2003 | Andre et al. |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.