CHADWICK; Andrew David
Patent Applications and Registrations
Patent applications and USPTO patent grants for CHADWICK; Andrew David.The latest application filed is for "vacuum cleaner".
- CHADWICK; Andrew David - Surrey GB
- Chadwick; Andrew David - Southampton GB
| Patent | Date |
|---|---|
| Vacuum Cleaner App 20210059492 - TAYLOR; Mark Philip ; et al. | 2021-03-04 |
| Detection of undesired objects on surfaces Grant 7,250,849 - Spriggs , et al. July 31, 2 | 2007-07-31 |
| Detection of undesired objects on surfaces App 20050046569 - Spriggs, Timothy John ; et al. | 2005-03-03 |
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