Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9903494 | Liquid container leveler | — | 2018-02-27 |
| 6280727 | Compositions containing thrombin and microfibrillar collagen and methods for preparation and use thereof | Donald G. Wallace, David Sierra, Frank DeLustro | 2001-08-28 |
| 6096309 | Compositions containing thrombin and microfibrillar nanometer collagen, and methods for preparation and use thereof | Donald G. Wallace, David Sierra, Frank DeLustro | 2000-08-01 |
| 4805946 | Postage meter security seal | Timothy R. Erwin | 1989-02-21 |