| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 8 | |
| #2 | Austria | 2 | |
| #3 | Canada | 1 | |
| #4 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Containers for goods storage | |
| #2 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Andre Dreyer | 8 |
| #2 | De Toledo Maurice | 8 |
| #3 | Toledo Maurice De | 4 |
| #4 | Dreyer Andre | 4 |
| Publication | Filing date | Title |
|---|---|---|
| CA506710A | Leak-proof containers for liquids |