Owens; N. Douglas
Patent Applications and Registrations
Patent applications and USPTO patent grants for Owens; N. Douglas.The latest application filed is for "soffit assembly for moveable wall system and removal tool therefor".
- Owens; N. Douglas - Lynn IN
- Owens; N. Douglas - New Castle IN
| Patent | Date |
|---|---|
| Multi-program trolleys and switches Grant 7,255,045 - Owens August 14, 2 | 2007-08-14 |
| Multi-program trolleys and switches Grant 7,185,589 - Owens March 6, 2 | 2007-03-06 |
| Soffit assembly for moveable wall system and removal tool therefor App 20060248826 - Owens; N. Douglas | 2006-11-09 |
| Multi-program trolleys and switches App 20060096494 - Owens; N. Douglas | 2006-05-11 |
| Multi-program trolleys and switches App 20050011398 - Owens, N. Douglas | 2005-01-20 |
| Six-wheel trolley for use in movable wall panel systems App 20040025292 - Owens, N. Douglas | 2004-02-12 |
| Four-wheel super trolley App 20040000026 - Owens, N. Douglas | 2004-01-01 |
| Steel wheel and steel rail system for a moveable wall panel system App 20040000100 - Owens, N. Douglas | 2004-01-01 |
| Anti-stacking system for operable walls Grant 6,598,355 - Owens July 29, 2 | 2003-07-29 |
| Track concealing system for operable walls Grant 6,581,345 - Goldsmith , et al. June 24, 2 | 2003-06-24 |
| Track and trolley system for movable wall panels Grant 6,581,242 - Owens June 24, 2 | 2003-06-24 |
| Automatic track switching system for operable walls Grant 6,481,359 - Owens November 19, 2 | 2002-11-19 |
| Track and trolley system for movable wall panels App 20020121001 - Owens, N. Douglas | 2002-09-05 |
| Anti-stacking system for operable walls App 20010037613 - Owens, N. Douglas | 2001-11-08 |
| Track concealing system for operable walls App 20010032424 - Goldsmith, Thomas L. ; et al. | 2001-10-25 |
| Electrically operated drop seal for pass doors in operable walls Grant 5,467,559 - Owens November 21, 1 | 1995-11-21 |
| Electrically operated drop seal for operable walls Grant 5,339,881 - Owens August 23, 1 | 1994-08-23 |
| Track switch for suspended movable wall panels Grant 5,329,857 - Owens July 19, 1 | 1994-07-19 |
| Floor-supported movable wall panel with height adjustment system Grant 5,042,555 - Owens August 27, 1 | 1991-08-27 |
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