Vystrcil; Robert A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Vystrcil; Robert A..The latest application filed is for "autonomous vacuum cleaner".
- Vystrcil; Robert A. - Garrettsville OH
- Vystrcil; Robert A. - West Farmington OH
| Patent | Date |
|---|---|
| Portable cleaning device Grant D588,313 - Conner , et al. March 10, 2 | 2009-03-10 |
| Self-propelled vacuum cleaner with a neutral return spring Grant 7,043,794 - Conner , et al. May 16, 2 | 2006-05-16 |
| Autonomous vacuum cleaner App 20050055792 - Kisela, David ; et al. | 2005-03-17 |
| Control circuitry for enabling drive system for vacuum cleaner App 20040134018 - Conner, Michael P. ; et al. | 2004-07-15 |
| Self-propelled vacuum cleaner with a neutral return spring App 20040134020 - Conner, Michael P. ; et al. | 2004-07-15 |
| Airflow shut-off mechanism for vacuum cleaner Grant 6,523,222 - Vystrcil , et al. February 25, 2 | 2003-02-25 |
| Edge cleaner for vacuum cleaner Grant 6,514,356 - Vystrcil , et al. February 4, 2 | 2003-02-04 |
| Method of linkage and locking of connecting coupling member to nozzle base of a vacuum cleaner App 20020138940 - Vystrcil, Robert A. ; et al. | 2002-10-03 |
| Airflow shut-off mechanism for vacuum cleaner App 20020092119 - Vystrcil, Robert A. ; et al. | 2002-07-18 |
| Edge cleaner for vacuum cleaner App 20020092125 - Vystrcil, Robert A. ; et al. | 2002-07-18 |
| Brushroll shut-off mechanism for vacuum cleaner App 20020092120 - Vystrcil, Robert A. ; et al. | 2002-07-18 |
| Vacuum Cleaner Base Assembly App 20020088081 - Vystrcil, Robert A. ; et al. | 2002-07-11 |
| Vacuum cleaner base assembly Grant 6,406,514 - Vystrcil , et al. June 18, 2 | 2002-06-18 |
| Extendable hose for a vacuum cleaner Grant 6,108,861 - Vystrcil , et al. August 29, 2 | 2000-08-29 |
| Rechargeable hand held vacuum cleaner with electrical connections circuit board with spring contacts Grant 5,869,947 - Zahuranec , et al. February 9, 1 | 1999-02-09 |
| Extendable hose for a vacuum cleaner Grant 5,797,162 - Vystrcil , et al. August 25, 1 | 1998-08-25 |
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