Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446751 | Apparatus and method for reducing noise levels | Mary Lynn G. Azour, Jessica L. Shearer | 2002-09-10 |
| 5777947 | Apparatuses and methods for sound absorption using hollow beads loosely contained in an enclosure | — | 1998-07-07 |