Helmsderfer; John
Patent Applications and Registrations
Patent applications and USPTO patent grants for Helmsderfer; John.The latest application filed is for "water management control device for watering devices".
- Helmsderfer; John - Cincinnati OH US
- Helmsderfer; John - Cincinnatti OH US
| Patent | Date |
|---|---|
| Garden watering device Grant 9,724,708 - Helmsderfer , et al. August 8, 2 | 2017-08-08 |
| Water flow metering device Grant 9,597,699 - Helmsderfer , et al. March 21, 2 | 2017-03-21 |
| Water Management Control Device For Watering Devices App 20160345515 - Helmsderfer; John ; et al. | 2016-12-01 |
| Multi-functional And Modular Tree Removal And Maintenance Apparatus And Related Methods App 20140261888 - Helmsderfer; John ; et al. | 2014-09-18 |
| Multi-functional and modular tree removal and maintenance apparatus and related methods Grant 8,739,843 - Helmsderfer , et al. June 3, 2 | 2014-06-03 |
| Water Management Control Device For Watering Devices App 20140069506 - Helmsderfer; John ; et al. | 2014-03-13 |
| Multi-functional And Modular Tree Removal And Maintenance Apparatus And Related Methods App 20130061984 - Helmsderfer; John ; et al. | 2013-03-14 |
| Garden Watering Device App 20130037624 - Helmsderfer; John ; et al. | 2013-02-14 |
| Bag Vacuum Apparatus App 20130031871 - Helmsderfer; John ; et al. | 2013-02-07 |
| Vacuum Clip For Storage Bags App 20130016924 - Helmsderfer; John ; et al. | 2013-01-17 |
| Water Flow Metering Device App 20120223153 - Helmsderfer; John ; et al. | 2012-09-06 |
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