Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6401860 | Cough silencer device | R. Craig Ellington, Stephen D. Ellington | 2002-06-11 |
| D439630 | Cough silencer | R. Craig Ellington, Stephen D. Ellington | 2001-03-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6401860 | Cough silencer device | R. Craig Ellington, Stephen D. Ellington | 2002-06-11 |
| D439630 | Cough silencer | R. Craig Ellington, Stephen D. Ellington | 2001-03-27 |