Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8060984 | Device and method for improving the installation of pre-tensioned spiral balances in window balances | Douglas Zinter | 2011-11-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8060984 | Device and method for improving the installation of pre-tensioned spiral balances in window balances | Douglas Zinter | 2011-11-22 |