Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597785 | Automatic caller ID call log dial back | Benjamin Wilson Day, Jr. | 2003-07-22 |
| 6452937 | Card-based voice messaging system | Lee Edward Borkovic, Robert Edward Cochran, Thomas M. Grill, Everett R. Johnson, Jr., Michael Stephen Lane +2 more | 2002-09-17 |
| 6256319 | """Plug and play"" telephone system" | James H. Apgar, Wayne Farmer, Timothy I. Ross | 2001-07-03 |
| 5887054 | Play and plug telephone system | Benjamin Wilson Day, Jr., Timothy I. Ross | 1999-03-23 |
| 5883944 | """Plug and play"" telephone system" | Benjamin Wilson Day, Jr., Timothy I. Ross | 1999-03-16 |
| 5096637 | Membrane, process and system for isolating virus from solution | Anthony DiLeo, Anthony E. Allegrezza, Jr. | 1992-03-17 |
| 5017292 | Membrane, process and system for isolating virus from solution | Anthony DiLeo, Anthony E. Allegrezza, Jr. | 1991-05-21 |
| 4879743 | PBX and adjunct using multi-frequency tones for communication therebetween | Daniel H. Dawdy, Timothy M. Rubert | 1989-11-07 |
| 4824568 | Composite ultrafiltration membranes | Anthony E. Allegrezza, Jr. | 1989-04-25 |
| 4566474 | Crutch | — | 1986-01-28 |
| 4451705 | Call completion circuit and method | Patrick Gorman, James A. Henderson, Nicholas K. Smith | 1984-05-29 |
| 4449017 | ACD Combined handset and headset arrangement | Joseph F. Catalano, James A. Henderson, Nicholas K. Smith | 1984-05-15 |
| 4220827 | Telephone signaling circuit | David F. Jones | 1980-09-02 |
| 4216356 | Telephone having separate voice and signaling pairs | David F. Jones | 1980-08-05 |