| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 4 | |
| #2 | Austria | 3 | |
| #3 | Canada | 2 | |
| #4 | Spain | 2 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dautwitz Werner | 5 |
| #2 | Werner Dautwitz | 4 |
| Publication | Filing date | Title |
|---|---|---|
| ES110445A1 | Procedure to give compactness to jars of cardboard pulp, to packaging of the same and to other of its products. | |
| ES109509A1 | Procedure to give tightness to the finished packagings and to the modeled packaging means. | |
| CA294084A | Process for treating articles moulded by couching from paper pulp | |
| CA307290A | Process of making air-tight and impermeable containers |