Widmer; Alfred A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Widmer; Alfred A..The latest application filed is for "floor maintenance tool with mop release mechanism".
- Widmer; Alfred A. - Wilen b. Wil CH
- Widmer; Alfred A. - Wil CH
| Patent | Date |
|---|---|
| Double-sided mop Grant 9,307,883 - Bober , et al. April 12, 2 | 2016-04-12 |
| Cleaning system trolley Grant D738,062 - Rouillard , et al. September 1, 2 | 2015-09-01 |
| Floor Maintenance Tool With Mop Release Mechanism App 20150074927 - Widmer; Alfred A. ; et al. | 2015-03-19 |
| Double-sided Mop App 20140259494 - Bober; Andrew M. ; et al. | 2014-09-18 |
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