Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9380454 | Method and apparatus for using a wireless communication device with multiple service providers | Shuvo Chatterjee, Arun G. Mathias, Matthew Klahn | 2016-06-28 |
| 8914025 | Registration with a mobile telecommunications service provider | Arun G. Mathias, Matthew Klahn | 2014-12-16 |
| 8750873 | Method and apparatus for using a wireless communication device with multiple service providers | Shuvo Chatterjee, Arun G. Mathias, Matthew Klahn | 2014-06-10 |
| 8346255 | Method and apparatus for using a wireless communication device with multiple service providers | Shuvo Chatterjee, Arun G. Mathias, Matthew Klahn | 2013-01-01 |