| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Australia | 2 | |
| #3 | New Zealand | 2 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Hong Kong | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications |
| # | Technology | |
|---|---|---|
| #1 | Telephonic communication | |
| #2 | Selecting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Solomon Merrill | 14 |
| #2 | Kimball John | 14 |
| #3 | Goldstein Dana L | 4 |
| #4 | Novas Robert G | 2 |
| #5 | Spitzer Andy | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5325425A | Method for monitoring telephone call progress | |
| US5023906A | Method for monitoring telephone call progress | |
| US5058152A | Anonymous interactive telephone system having direct connect feature | |
| NZ238218A | Anonymous interconnection of caller and subscriber | |
| US4878239A | Anonymous interactive telephone system with expanded outward calling features | |
| US4847890A | Anonymous interactive telephone system |