Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6551686 | Biaxially oriented polyester film having more than one layer, process for its production, and its use as magnetic tape film | Gottfried Hilkert, Wolfram Goerlitz | 2003-04-22 |
| 6410132 | Biaxially oriented polypropylene film, the use of the film and process for its production | Herbert Peiffer, Richard L. Davis | 2002-06-25 |
| 6238782 | Biaxially oriented polyester film having more than one layer | Gottfried Hilkert | 2001-05-29 |
| 6214440 | Coextruded, biaxially oriented polyester film for metallizing, its use and process for its production | Herbert Peiffer, Richard L. Davis | 2001-04-10 |