Kerfeld; Donald J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kerfeld; Donald J..The latest application filed is for "replica disk for data storage".
- Kerfeld; Donald J. - Grey Eagle MN
- Kerfeld; Donald J. - St. Paul MN US
- Kerfeld; Donald J. - Saint Paul MN
| Patent | Date |
|---|---|
| Replica disk for data storage Grant 8,705,334 - Edwards , et al. April 22, 2 | 2014-04-22 |
| Replica Disk for Data Storage App 20140056120 - Edwards; Jathan D. ; et al. | 2014-02-27 |
| Reverse optical mastering for data storage disk replicas Grant RE44,633 - Edwards , et al. December 10, 2 | 2013-12-10 |
| Replica disk for data storage Grant 8,593,931 - Edwards , et al. November 26, 2 | 2013-11-26 |
| Replica Disk For Data Storage App 20130121128 - Edwards; Jathan D. ; et al. | 2013-05-16 |
| Reverse optical mastering for data storage disk replicas Grant 8,363,534 - Edwards , et al. January 29, 2 | 2013-01-29 |
| Reverse Optical Mastering for Data Storage Disk Replicas App 20110223369 - Edwards; Jathan D. ; et al. | 2011-09-15 |
| Reverse optical mastering for data storage disk replicas Grant 7,952,986 - Edwards , et al. May 31, 2 | 2011-05-31 |
| Reverse Optical Mastering for Data Storage Disk Replicas App 20100297382 - Edwards; Jathan D. ; et al. | 2010-11-25 |
| Reverse optical mastering for data storage disk replicas Grant 7,801,016 - Edwards , et al. September 21, 2 | 2010-09-21 |
| Reverse optical mastering for data storage disk replicas App 20100067360 - Edwards; Jathan D. ; et al. | 2010-03-18 |
| Reverse optical mastering for data storage disk stamper Grant 7,600,992 - Edwards , et al. October 13, 2 | 2009-10-13 |
| Reverse optical mastering for data storage disk replicas Grant 7,352,685 - Edwards , et al. April 1, 2 | 2008-04-01 |
| Optical disk mold tooling for reduced edge wedge Grant 7,114,947 - Sandstrom , et al. October 3, 2 | 2006-10-03 |
| Cover layer structure for optical data storage media App 20060198290 - Brovold; Barry E. ; et al. | 2006-09-07 |
| Check disk for optical data storage disk manufacturing Grant 6,977,052 - Bahns , et al. December 20, 2 | 2005-12-20 |
| Variable thickness stamper for creation of flat molded substrates Grant 6,961,950 - Kerfeld , et al. November 1, 2 | 2005-11-01 |
| Reverse Optical mastering for data storage disk stamper App 20040231531 - Edwards, Jathan D. ; et al. | 2004-11-25 |
| Two-sided replication of data storage media Grant 6,821,460 - Kerfeld , et al. November 23, 2 | 2004-11-23 |
| Optical disk mold tooling for reduced edge wedge App 20040218510 - Sandstrom, Chad R. ; et al. | 2004-11-04 |
| Reverse optical mastering for data storage disk replicas App 20040170117 - Edwards, Jathan D. ; et al. | 2004-09-02 |
| Optical disk mold tooling for reduced edge wedge Grant 6,752,611 - Sandstrom , et al. June 22, 2 | 2004-06-22 |
| Replicated regions on optical disks Grant 6,638,692 - Banal , et al. October 28, 2 | 2003-10-28 |
| Multi-generation stampers Grant 6,616,867 - Kerfeld September 9, 2 | 2003-09-09 |
| Variable thickness stamper for creation of flat molded substrates App 20030043731 - Kerfeld, Donald J. ; et al. | 2003-03-06 |
| Two-sided replication of data storage media App 20030011087 - Kerfeld, Donald J. ; et al. | 2003-01-16 |
| Multi-generation stampers App 20020105103 - Kerfeld, Donald J. | 2002-08-08 |
| Data storage media App 20020068198 - Kerfeld, Donald J. ; et al. | 2002-06-06 |
| Optical disk mold tooling for reduced edge wedge App 20020058084 - Sandstrom, Chad R. ; et al. | 2002-05-16 |
| Process for making multiple data storage disk stampers from one master Grant 6,365,329 - Kerfeld April 2, 2 | 2002-04-02 |
| Process for making multiple data storage disk stampers from one master App 20010000745 - Kerfeld, Donald J. | 2001-05-03 |
| Metallized information carrying discs Grant 4,519,065 - Lewis , et al. May 21, 1 | 1985-05-21 |
| Process for making information carrying discs Grant 4,374,077 - Kerfeld February 15, 1 | 1983-02-15 |
| Metallized information carrying discs Grant 4,363,844 - Lewis , et al. December 14, 1 | 1982-12-14 |
| Information carrying discs Grant 4,304,806 - Anderson , et al. December 8, 1 | 1981-12-08 |
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.
| 