Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4751766 | Door hold open device | Ronald J. Hansing | 1988-06-21 |
| 4747248 | Corner construction for extruded frame components | — | 1988-05-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4751766 | Door hold open device | Ronald J. Hansing | 1988-06-21 |
| 4747248 | Corner construction for extruded frame components | — | 1988-05-31 |