Weinzerl; Helfried
Patent Applications and Registrations
Patent applications and USPTO patent grants for Weinzerl; Helfried.The latest application filed is for "reusable stamper for optical disk".
- Weinzerl; Helfried - Seal Beach CA
- Weinzerl, Helfried - Feldkirch AT
| Patent | Date |
|---|---|
| Method for the production of multilayer discs Grant 7,335,521 - Dubs , et al. February 26, 2 | 2008-02-26 |
| Reusable Stamper For Optical Disk App 20060245341 - Weinzerl; Helfried | 2006-11-02 |
| Method for the production of multilayer discs App 20060003476 - Dubs; Martin ; et al. | 2006-01-05 |
| Method for vacuum treatment of workpieces and vacuum treatment installation App 20040096583 - Schaefer, Franz Josef ; et al. | 2004-05-20 |
| Method for vacuum treatment of workpieces and vacuum treatment facility Grant 6,669,987 - Schaefer , et al. December 30, 2 | 2003-12-30 |
| Optical data storage disk Grant 6,645,352 - Weinzerl , et al. November 11, 2 | 2003-11-11 |
| Optical data storage disk App 20020054973 - Weinzerl, Helfried ; et al. | 2002-05-09 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 