Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8325631 | System and method for extending DSL transmission range | John M. Cotton, Robert Alan Macaluso, Perlis Joseph Trahan, Douglas R. Milliman | 2012-12-04 |
| 8259707 | Wireless access point network system supported through existing transmission lines | John M. Cotton, Robert Alan Macaluso, Perlis Joseph Trahan, Douglas R. Milliman | 2012-09-04 |
| 8259708 | Wireless access point network system supported through existing transmission lines | John M. Cotton, Robert Alan Macaluso, Perlis Joseph Trahan, Douglas R. Milliman | 2012-09-04 |
| RE36354 | Key telephone system with virtual private lines | John M. Cotton | 1999-10-26 |
| 5379280 | Conferencing system for distributed switching network | John M. Cotton, Alex T. Wissink, Gary V. Pieper, William A. Oswald, Nicholas Necula +3 more | 1995-01-03 |
| 5255264 | Distributed control switching network for multi-line telephone communications | John M. Cotton, Alex T. Wissink, Gary V. Pieper, William A. Oswald, Nicholas Necula +3 more | 1993-10-19 |
| 5237571 | Broadcast system for distributed switching network | John M. Cotton, Nicholas Necula, William A. Oswald | 1993-08-17 |
| 5214691 | Key telephone system with virtual private lines | John M. Cotton | 1993-05-25 |