Stumpp; Martin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stumpp; Martin.The latest application filed is for "drill head insert or drill head attachment and drill".
- Stumpp; Martin - Ravensburg DE
| Patent | Date |
|---|---|
| Drill head insert or drill head attachment and drill Grant 9,879,483 - Zuern , et al. January 30, 2 | 2018-01-30 |
| Drill Grant 9,718,136 - Stumpp , et al. August 1, 2 | 2017-08-01 |
| Drill Head Insert or Drill Head Attachment and Drill App 20160130880 - Zuern; Alexander ; et al. | 2016-05-12 |
| Drill App 20160129506 - Stumpp; Martin ; et al. | 2016-05-12 |
| Drilling tool Grant 8,794,881 - Zurn , et al. August 5, 2 | 2014-08-05 |
| Drilling Tool App 20120148359 - Zurn; Alexander ; et al. | 2012-06-14 |
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