Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8798304 | Acoustic valve mechanisms | Thomas E. Miller, William A. Ryan, Joseph Heidenreich, Daniel J. Repplinger, James S. Collins | 2014-08-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8798304 | Acoustic valve mechanisms | Thomas E. Miller, William A. Ryan, Joseph Heidenreich, Daniel J. Repplinger, James S. Collins | 2014-08-05 |