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Patent applications and USPTO patent grants for CROWN DOWN CLEANERS, L.L.C..The latest application filed is for "power driven duster & cleaning apparatus".
Patent | Date |
---|---|
Power driven duster and cleaner apparatus Grant 11,266,227 - Manning March 8, 2 | 2022-03-08 |
Power driven duster and cleaner apparatus Grant 10,624,447 - Manning | 2020-04-21 |
Power driven duster and cleaning apparatus Grant 8,984,695 - Manning March 24, 2 | 2015-03-24 |
Power Driven Duster & Cleaning Apparatus App 20140237742 - MANNING; PAUL D. | 2014-08-28 |
Power driven duster and cleaner apparatus Grant 8,752,227 - Manning June 17, 2 | 2014-06-17 |
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