Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857893 | Single chip transponder device | — | 1989-08-15 |
| 4804054 | Device and method for precise subcutaneous placement of a medical instrument | David C. Howson, J. Donald Pauley | 1989-02-14 |