Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5074427 | Apparatus for covering a basin for liquids | Bernardinus F. A. Siemerink | 1991-12-24 |
| 4842160 | Floating covering for liquid storage tank | — | 1989-06-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5074427 | Apparatus for covering a basin for liquids | Bernardinus F. A. Siemerink | 1991-12-24 |
| 4842160 | Floating covering for liquid storage tank | — | 1989-06-27 |