Issued Patents All Time
| 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, Amnouy Athitang, Raymond B. Churchill, Jr. | 2005-02-15 |
| 6685592 | Roller shade clutch with internal gearing | Richard Fraczek, David Cross | 2004-02-03 |