Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1053554 | Graded card case | — | 2024-12-10 |
| 10154335 | Interchangeable speaker assembly and method of use | — | 2018-12-11 |
| 6792481 | DMA controller | Rajat Kanti Mitra | 2004-09-14 |
| 6751302 | Method and apparatus for providing an automated selection of a telecommunication service from among a plurality of telecommunication services | Sepehr Mehrabanzad | 2004-06-15 |
| 6404807 | High speed dial-up service using PCM modem technology | Sepehr Mehrabanzad | 2002-06-11 |
| 5925114 | Modem implemented in software for operation on a general purpose computer having operating system with different execution priority levels | — | 1999-07-20 |
| 5802153 | Apparatus and method for interfacing between a communications channel and a processor for data transmission and reception | Manickam R. Sridhar, John Wortman, Timothy Lis | 1998-09-01 |
| 5799064 | Apparatus and method for interfacing between a communications channel and a processor for data transmission and reception | Manickam R. Sridhar, John Wortman | 1998-08-25 |
| 5168518 | Coin tone validator for telephone paystations | Guy Criscenzo | 1992-12-01 |