Widmer; Alfred Adolf
Patent Applications and Registrations
Patent applications and USPTO patent grants for Widmer; Alfred Adolf.The latest application filed is for "adjustable cleaning cart and method".
- Widmer; Alfred Adolf - Wil SG
- Widmer; Alfred Adolf - Wil N/A CH
| Patent | Date |
|---|---|
| Adjustable Cleaning Cart And Method App 20190282058 - Rouillard; Carol A. ; et al. | 2019-09-19 |
| Floor finish application assembly and method Grant 8,662,778 - Crawford , et al. March 4, 2 | 2014-03-04 |
| Cleaning system trolley Grant D695,984 - Rouillard , et al. December 17, 2 | 2013-12-17 |
| Cleaning system trolley Grant D678,645 - Rouillard , et al. March 19, 2 | 2013-03-19 |
| Floor Finish Application Assembly And Method App 20120269567 - Crawford; Charles A. ; et al. | 2012-10-25 |
| Cleaning system trolley Grant D659,340 - Rouillard , et al. May 8, 2 | 2012-05-08 |
| Cleaning system trolley Grant D643,990 - Rouillard , et al. August 23, 2 | 2011-08-23 |
| Adjustable Cleaning Cart And Method App 20110133417 - Rouillard; Carol A. ; et al. | 2011-06-09 |
| Cleaning system trolley Grant D632,043 - Rouillard , et al. February 1, 2 | 2011-02-01 |
| Floor Finish Application Assembly And Method App 20100047459 - Crawford; Charles A. ; et al. | 2010-02-25 |
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