PETRO; Douglas
Patent Applications and Registrations
Patent applications and USPTO patent grants for PETRO; Douglas.The latest application filed is for "liquid-permeable brush roll for use with cleaners including robotic cleaners".
- PETRO; Douglas - Needham MA
| Patent | Date |
|---|---|
| Liquid-permeable Brush Roll For Use With Cleaners Including Robotic Cleaners App 20210204684 - HEMAN-ACKAH; Marian ; et al. | 2021-07-08 |
| Robotic Cleaner App 20200383547 - SUTTER; Catriona C.A. ; et al. | 2020-12-10 |
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