Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D591425 | Disposable test tube rack | Charles Hawker, Bonnie Messinger | 2009-04-28 |
| D566851 | Disposable test tube rack | Charles Hawker, Bonnie Messinger | 2008-04-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D591425 | Disposable test tube rack | Charles Hawker, Bonnie Messinger | 2009-04-28 |
| D566851 | Disposable test tube rack | Charles Hawker, Bonnie Messinger | 2008-04-15 |