Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5923746 | Call recording system and method for use with a telephonic switch | Daniel F. Baker, Paul E. Van Berkum | 1999-07-13 |
| 5729593 | Annoucement system and method in a telephone call switching system | Daniel F. Baker, Paul E. Van Berkum | 1998-03-17 |
| 5546454 | Automatic call distributor with telephonic call holding system | — | 1996-08-13 |
| 5500891 | Telecommunication system with multilink host computer call control interface system and method | Mark Michelson | 1996-03-19 |