Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5486185 | Surgical apparatus | Michael W. Freitas | 1996-01-23 |
| 5100377 | Medical evacuation and irrigation device | Michael W. Freitas | 1992-03-31 |
| 5034000 | Medical evacuation and irrigation device | Michael W. Freitas | 1991-07-23 |
| 4425126 | Fibrous material and method of making the same using thermoplastic synthetic wood pulp fibers | George A. M. Butterworth, Robert T. Elias, Robert C. Shepherd | 1984-01-10 |