Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702552 | Method for making a pleated expandable cellular product for window coverings | Darrell J. Kutchmarek | 1997-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702552 | Method for making a pleated expandable cellular product for window coverings | Darrell J. Kutchmarek | 1997-12-30 |