| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 1 | |
| #2 | Switzerland | 1 | |
| #3 | Germany | 1 | |
| #4 | Denmark | 1 | |
| #5 | Finland | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Netherlands | 1 | |
| #9 | Norway | 1 | |
| #10 | Sweden | 1 | |
| #11 | United States | 1 | |
| #12 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications |
| # | Technology | |
|---|---|---|
| #1 | Transmission | |
| #2 | Telephonic communication |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vesterinen Seppo | 10 |
| #2 | Vesterinen S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI853013A0 | Mellanfoerstaerkare som anvaends i tvaoledningsfoerbindelser i ett valbart telefonnaet samt foerfarande foer reglering av dess foerstaerkning. |