Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6854503 | Semi-cordless unbalanced spring driven blind system and methods for adjusting and making same | David Cross, Joseph W. Zakowski, Martin Balta, Raymond B. Churchill, Jr. | 2005-02-15 |