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Patent applications and USPTO patent grants for Korth; Hans E..The latest application filed is for "method of fabricating authentication labels and authenticating patterns incorporating diffraction structures".
Patent | Date |
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Method of fabricating authentication labels and authenticating patterns incorporating diffraction structures Grant 6,057,082 - Korth May 2, 2 | 2000-05-02 |
Method of fabricating authentication labels and authenticating patterns incorporating diffraction structures Grant 5,856,070 - Korth January 5, 1 | 1999-01-05 |
Authentication label and authenticating pattern incorporating diffracting structure and method of fabricating them Grant 5,629,070 - Korth May 13, 1 | 1997-05-13 |
Read/write head for optical disks Grant 4,866,694 - Korth September 12, 1 | 1989-09-12 |
Method and apparatus for determining the polarization state of a light wave field Grant 4,516,855 - Korth May 14, 1 | 1985-05-14 |
Apparatus for measuring surface flatness Grant 3,866,038 - Korth February 11, 1 | 1975-02-11 |
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