Kowalski; Gregory James
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kowalski; Gregory James.The latest application filed is for "vacuum cleaner agitator cleaner with agitator lifting mechanism".
- Kowalski; Gregory James - Cornelius NC
| Patent | Date |
|---|---|
| Vacuum cleaner agitator cleaner with agitator lifting mechanism Grant 9,615,708 - Kowalski April 11, 2 | 2017-04-11 |
| Vacuum Cleaner Agitator Cleaner With Agitator Lifting Mechanism App 20150265119 - Kowalski; Gregory James | 2015-09-24 |
| Vacuum cleaner agitator cleaner with brushroll lifting mechanism Grant 9,072,416 - Kowalski July 7, 2 | 2015-07-07 |
| Vacuum cleaner cyclone with helical cyclone expansion region Grant 8,997,310 - Davidshofer , et al. April 7, 2 | 2015-04-07 |
| Vacuum Cleaner Agitator Cleaner With Brushroll Lifting Mechanism App 20140259521 - Kowalski; Gregory James | 2014-09-18 |
| Vacuum Cleaner Cyclone With Helical Cyclone Expansion Region App 20140101889 - Davidshofer; Donald Joseph ; et al. | 2014-04-17 |
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