Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D381330 | Emergency vocal aid | Rona Kaufman, Jack W. Kaufman, Phillis Stacy, Behzad Tabatabai, Steven Lee Stirnett | 1997-07-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D381330 | Emergency vocal aid | Rona Kaufman, Jack W. Kaufman, Phillis Stacy, Behzad Tabatabai, Steven Lee Stirnett | 1997-07-22 |