Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4395969 | Fish culture by sucker, stickleback, carp and bullhead catfish eradication | Fred F. Cheng | 1983-08-02 |
| 4221782 | Fish culture by stickleback population eradication | Fred F. Cheng | 1980-09-09 |