Campbell-Hill; Alexander Michael
Patent Applications and Registrations
Patent applications and USPTO patent grants for Campbell-Hill; Alexander Michael.The latest application filed is for "dirt separator for a vacuum cleaner".
- Campbell-Hill; Alexander Michael - Wotton-Under-Edge GB
- CAMPBELL-HILL; Alexander Michael - Gloucester GB
| Patent | Date |
|---|---|
| Dirt separator Grant 11,297,987 - Campbell-Hill April 12, 2 | 2022-04-12 |
| Dirt Separator For A Vacuum Cleaner App 20210361134 - PERCY-RAINE; Charles Howard ; et al. | 2021-11-25 |
| Dirt Separator For A Vacuum Cleaner App 20200214516 - PERCY-RAINE; Charles Howard ; et al. | 2020-07-09 |
| Dirt Separator For A Vacuum Cleaner App 20200214521 - PERCY-RAINE; Charles Howard ; et al. | 2020-07-09 |
| Dirt Separator For A Vacuum Cleaner App 20200214520 - PERCY-RAINE; Charles Howard ; et al. | 2020-07-09 |
| Dirt Separator For A Vacuum Cleaner App 20200170466 - PERCY-RAINE; Charles Howard ; et al. | 2020-06-04 |
| Dirt Separator For A Vacuum Cleaner App 20200163508 - PERCY-RAINE; Charles Howard ; et al. | 2020-05-28 |
| Handheld Vacuum Cleaner App 20200163507 - PERCY-RAINE; Charles Howard ; et al. | 2020-05-28 |
| Vacuum cleaner Grant D861,265 - Gammack , et al. Sept | 2019-09-24 |
| Cleaning Appliance App 20190200830 - CROUCH; Jeremy William ; et al. | 2019-07-04 |
| Dirt Separator App 20190200824 - CAMPBELL-HILL; Alexander Michael | 2019-07-04 |
| Vacuum cleaner Grant D851,846 - Gammack , et al. | 2019-06-18 |
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