Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883453 | Method of manufacturing synthetic vascular grafts | John P. Berry | 1989-11-28 |
| 4857041 | Urinary incontinence prostheses | Malcolm C. Brown, John R. Sutherst | 1989-08-15 |
| 4842505 | Apparatus for producing fibrous structures electrostatically | John P. Berry | 1989-06-27 |