Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4735670 | Method of producing an identification card | Thomas Maurer | 1988-04-05 |
| 4732410 | Identification card and a method of producing same | Thomas Maurer | 1988-03-22 |
| 4629215 | Identification card and a method of producing same | Thomas Maurer | 1986-12-16 |
| 4596409 | Identification card and method of producing it | Thomas Maurer | 1986-06-24 |
| 4579754 | Identification card having laser inscribed indicia and a method of producing it | Thomas Maurer, Joseph Lass | 1986-04-01 |
| 4523777 | Identification card and a method of producing same | Thomas Maurer | 1985-06-18 |
| 4507346 | Multilayer identification card and a method of producing it | Thomas Maurer, Joseph Lass | 1985-03-26 |
| 4504357 | Security with identifying marks printed in the substance of a paper layer | Paul Leiderer, Walter Schneider | 1985-03-12 |