Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4280634 | Device for the repeated opening and closing of an aperture in a cover of a container | Alfred Wiesenberger, Erich Kolb, Karl Kreim | 1981-07-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4280634 | Device for the repeated opening and closing of an aperture in a cover of a container | Alfred Wiesenberger, Erich Kolb, Karl Kreim | 1981-07-28 |