Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4384634 | Sound absorbing structure | Richmond G. Shuttleworth, Richard P. Ballou | 1983-05-24 |
| 4293053 | Sound absorbing structure | Richard G. Shuttleworth | 1981-10-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4384634 | Sound absorbing structure | Richmond G. Shuttleworth, Richard P. Ballou | 1983-05-24 |
| 4293053 | Sound absorbing structure | Richard G. Shuttleworth | 1981-10-06 |