Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8307587 | Water drainage device | Ingrid J. Nordhoff | 2012-11-13 |
| 8109046 | Water drainage device | Ingrid J. Nordhoff | 2012-02-07 |
| 7553104 | Synthetic materials for water drainage systems | — | 2009-06-30 |
| 5911794 | Tool and method for manipulating a beverage container tab | — | 1999-06-15 |