Stefansson; Njall
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stefansson; Njall.The latest application filed is for "dual hardness steel article".
- Stefansson; Njall - Canonsburg PA
- Stefansson; Njall - McMurray PA US
- Stefansson, Njall - Portland OR
| Patent | Date |
|---|---|
| Dual hardness steel article Grant 10,858,715 - Stefansson , et al. December 8, 2 | 2020-12-08 |
| Dual Hardness Steel Article App 20190024204 - Stefansson; Njall ; et al. | 2019-01-24 |
| Method of making a dual hardness steel article Grant 10,113,211 - Stefansson , et al. October 30, 2 | 2018-10-30 |
| Air hardenable shock-resistant steel alloys, methods of making the alloys, and articles including the alloys Grant 9,657,363 - Stefansson , et al. May 23, 2 | 2017-05-23 |
| Method Of Making A Dual Hardness Steel Article App 20160017455 - Stefansson; Njall ; et al. | 2016-01-21 |
| Dual hardness steel article Grant 9,182,196 - Stefansson , et al. November 10, 2 | 2015-11-10 |
| Air Hardenable Shock-resistant Steel Alloys, Methods Of Making The Alloys, And Articles Including The Alloys App 20120321504 - Stefansson; Njall ; et al. | 2012-12-20 |
| Dual Hardness Steel Article And Method Of Making App 20120174760 - Stefansson; Njall ; et al. | 2012-07-12 |
| Elevated Temperature Forming Methods for Metallic Materials App 20120067100 - Stefansson; Njall ; et al. | 2012-03-22 |
| Filters for filtering molten metals and alloys field App 20030150294 - Stefansson, Njall ; et al. | 2003-08-14 |
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