| 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 |