| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Telecommunications | |
| #3 | Computer technology | |
| #4 | Basic communication technologies | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Alarm systems | |
| #2 | Transmission | |
| #3 | Registering devices | |
| #4 | Telephonic communication | |
| #5 | Data recognition and presentation | |
| #6 | Unspecified technologies | |
| #7 | Pulse technique |
| # | Name | Total Patents |
|---|---|---|
| #1 | Shipley Robert T | 13 |
| #2 | Pugatch David | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO9609698A1 | Optical data communication and location apparatus, system and method and transmitters and receivers for use therewith | |
| USRE35035E | Locating system and method | |
| US5062151A | Communication system | |
| WO8707110A1 | Hospital signaling and communications system | |
| US4728928A | Call switch for wet areas | |
| US4601064A | Communication system | |
| US3478176A | Intercommunications system |