Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7285316 | Process to manufacture three dimensionally shaped substrate for sound abatement | Sven Meyer-Ahrens, Thomas J. Matwiczyk, Bin Lee, Walter Guarnieri | 2007-10-23 |
| 6773756 | Process to manufacture three dimensionally shaped substrate for sound abatement | Sven Meyer-Ahrens, Thomas J. Matwiczyk, Bin Lee, Walter Guarnieri | 2004-08-10 |
| 5166907 | Frequency agile sonic transducer | Robert E. Newnham, Qi Xu | 1992-11-24 |