Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306250 | Method and apparatus for intravascular drug delivery | David R. Hathaway, Robert L. Wilensky | 1994-04-26 |
| 5304184 | Apparatus and method for positive closure of an internal tissue membrane opening | David Hathaway, Brian Patton | 1994-04-19 |