Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6164428 | Wrap spring shade operator | Joel Berman, Vincent J. Brown, John Wilk | 2000-12-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6164428 | Wrap spring shade operator | Joel Berman, Vincent J. Brown, John Wilk | 2000-12-26 |