Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6594257 | Network-based method and apparatus for initiating and completing a telephone call via the internet | Rajesh Doshi, Gautham Natarajan, Dominic Ricciardi, Robert E. Witte | 2003-07-15 |
| 6144667 | Network-based method and apparatus for initiating and completing a telephone call via the internet | Rajesh Doshi, Gautham Natarajan, Dominic Ricciardi, Robert E. Witte | 2000-11-07 |
| 5255911 | Tethered ball pitching apparatus and method | George D. Preston, Thomas A. Phelan, John W. Tulac | 1993-10-26 |
| 5056781 | Tethered ball pitching apparatus | George D. Preston, Thomas A. Phelan, John W. Tulac | 1991-10-15 |