Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4446654 | Counterbalance lock mechanism for a window assembly | William K. Schoolman, George A. Griman | 1984-05-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4446654 | Counterbalance lock mechanism for a window assembly | William K. Schoolman, George A. Griman | 1984-05-08 |