Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6575209 | Proportioning head | — | 2003-06-10 |
| 4982614 | Process of taking liquid from large-volume, deep vessels by means of sucking vessels and auxiliary sucking device for use with large-volume, deep vessels in carrying out that process | — | 1991-01-08 |
| 4713219 | Plastic reaction vessel | Hero Gerken | 1987-12-15 |