Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876837 | Corner bead structure | Patrick M. Kelly, Robert E. Howlett, Dennis A. Alvarez | 1989-10-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876837 | Corner bead structure | Patrick M. Kelly, Robert E. Howlett, Dennis A. Alvarez | 1989-10-31 |