Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9574396 | Systems for maintaining window covers | — | 2017-02-21 |
| 9359814 | Systems for maintaining window covers | — | 2016-06-07 |
| 9328554 | Spring drive systems for window covers | — | 2016-05-03 |
| 9316051 | Window cover system with spring drive arrangement | — | 2016-04-19 |
| 8887788 | Methods for operating window covers | — | 2014-11-18 |
| 8720525 | Methods for operating window covers | — | 2014-05-13 |
| 8708024 | Methods for operating window covers | — | 2014-04-29 |
| 8251119 | Control rod mechanism and system | — | 2012-08-28 |
| 7222655 | Window covering system | — | 2007-05-29 |
| 7185691 | Reversible pull cord mechanism and system | — | 2007-03-06 |
| 6957683 | Spring drive system and window cover | — | 2005-10-25 |
| 6761171 | Endotracheal tube with tip directional control and position preserving mechanism | Michael H. Wong, Jay S. Kotin | 2004-07-13 |
| 6648050 | Spring drive system and window cover | — | 2003-11-18 |
| 6601637 | Hinge mechanism and window cover system | — | 2003-08-05 |
| 6553993 | Endotracheal tube with tip directional control and position preserving mechanism | Michael H. Wong, Jay S. Kotin | 2003-04-29 |
| 6533017 | Window covering system | — | 2003-03-18 |
| 6321749 | Endotracheal tube with tip directional control and position preserving mechanism | Michael H. Wong, Jay S. Kotin | 2001-11-27 |
| 6293329 | Coil spring drive system and window cover | — | 2001-09-25 |
| 6283192 | Flat spring drive system and window cover | — | 2001-09-04 |
| 6223804 | Hinge mechanism and window cover system | — | 2001-05-01 |
| 6152205 | Window covering system | — | 2000-11-28 |
| 5927367 | Track system, including stabilized, offset-wheel carriers | — | 1999-07-27 |
| 5323834 | Vertical window covering system | — | 1994-06-28 |
| 5301733 | Tape-supported window cover system | — | 1994-04-12 |
| 4945624 | Method of forming and assembling decorative awning and building facia | — | 1990-08-07 |