Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661927 | Sliding counterbalance assembly for a sash window | Allen D. Polowinczak, James Prete, Michael Bratcher | 1997-09-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661927 | Sliding counterbalance assembly for a sash window | Allen D. Polowinczak, James Prete, Michael Bratcher | 1997-09-02 |