| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 2 | |
| #2 | Austria | 1 | |
| #3 | Denmark | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Finland | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Luxembourg | 1 | |
| #9 | Netherlands | 1 | |
| #10 | Norway | 1 | |
| #11 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Sound-producing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Strathmann Frido | 4 |
| #2 | Strathmann F | 2 |
| #3 | Mursch Bernhard Dr Ing | 1 |
| #4 | Mursch Bernhard Dr-Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3505062A1 | BELL BELLING MACHINE | |
| DE2756661A1 | BELL RING MACHINE |