Buttner; Stefan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Buttner; Stefan.The latest application filed is for "recyclable polyethylene film".
- Buttner; Stefan - Neumarkt i. d. Oberpf. DE
- Buttner, Stefan - Markgroningen DE
- Buttner; Stefan - Sindelfingen DE
| Patent | Date |
|---|---|
| Recyclable polyethylene film Grant 10,751,979 - Grefenstein , et al. A | 2020-08-25 |
| Recyclable Polyethylene Film App 20190344551 - Grefenstein; Achim ; et al. | 2019-11-14 |
| Recyclable Polyethylene Film App 20180079188 - Grefenstein; Achim ; et al. | 2018-03-22 |
| Method and apparatus for producing a threaded projection on a plate-shaped workpiece App 20040200257 - Buttner, Stefan ; et al. | 2004-10-14 |
| Restore function for memory cells using negative bitline-selection Grant 5,798,975 - Buttner , et al. August 25, 1 | 1998-08-25 |
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