Hackman; Roger L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hackman; Roger L..The latest application filed is for "tools with removable information device".
- Hackman; Roger L. - Winnebago IL
| Patent | Date |
|---|---|
| Tools with removable information device Grant 10,639,756 - Hackman | 2020-05-05 |
| Tools With Removable Information Device App 20180126505 - Hackman; Roger L. | 2018-05-10 |
| Grinding machine with multi-spindle grinding head Grant 8,801,503 - Hackman , et al. August 12, 2 | 2014-08-12 |
| Grinding Machine With Multi-spindle Grinding Head App 20130337726 - Hackman; Roger L. ; et al. | 2013-12-19 |
| Tool Grinding Machine App 20120129434 - Hackman; Roger L. ; et al. | 2012-05-24 |
| Cutting tool for gears and other toothed articles Grant 7,520,698 - Hackman April 21, 2 | 2009-04-21 |
| Machine spindle Grant 7,462,143 - Hackman December 9, 2 | 2008-12-09 |
| Machine spindle App 20080145164 - Hackman; Roger L. | 2008-06-19 |
| Cutting tool for gears and other toothed articles App 20060133901 - Hackman; Roger L. | 2006-06-22 |
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