Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883587 | Polyurethane iodine sponge swimming pool filter | Harry H. LeVeen, Eric G. LeVeen | 1989-11-28 |
| 4840939 | Treatment of cancer with phlorizin and its derivatives | Harry H. LeVeen, Eric G. LeVeen | 1989-06-20 |
| 4837017 | Urease antigen product and process | Harry H. LeVeen, Eric G. LeVeen | 1989-06-06 |
| 4820298 | Internal vascular prosthesis | Eric G. LeVeen | 1989-04-11 |