Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4616016 | Mixtures which promote growth and increase production, and feeds and drinking liquids which contain small amounts of these mixtures | Peter Lechtken, Axel Nuerrenbach, Walter Kohler, Peter P. Hoppe, Hubert Tiefenbacher | 1986-10-07 |
| 4510146 | Growth-promoting feed and drink | Peter Lechtken, Axel Nuerrenbach | 1985-04-09 |