Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875549 | Debris barrier | David S. Denny, Edward C. R. Metzger, John Rexroad | 1989-10-24 |
| 4815562 | Debris barrier | David S. Denny, Edward R. Metzger, John Rexroad | 1989-03-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875549 | Debris barrier | David S. Denny, Edward C. R. Metzger, John Rexroad | 1989-10-24 |
| 4815562 | Debris barrier | David S. Denny, Edward R. Metzger, John Rexroad | 1989-03-28 |