Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889531 | Dry bottle drainage system | Nicholas F. D'Antonio | 1989-12-26 |
| 4858620 | Warning system for excessive orthopedic pressures | Edward D. Sugarman, Nicholas F. D'Antonio | 1989-08-22 |
| 4823619 | Sensor and transducer apparatus | Nicholas F. D'Antonio | 1989-04-25 |