| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | France | 3 | |
| #3 | Switzerland | 2 | |
| #4 | Austria | 1 | |
| #5 | Netherlands | 1 | |
| #6 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Packaging and shipping | |
| #3 | IT methods for management |
| # | Technology | |
|---|---|---|
| #1 | Coin-freed | |
| #2 | Transferring liquids | |
| #3 | Data processing systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zahn Ulrich | 5 |
| #2 | Zahn U | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ATA697679A | Collection and return device for information carriers using credit cards, goods or money dispensing or service for a credit card, and a case receiving one of these information carriers | |
| DE2805191A1 | REGISTERING FACILITY FOR THE DELIVERY OF GOODS |