Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8194230 | Projection objectives having mirror elements with reflective coatings | Hans-Juergen Mann | 2012-06-05 |
| 8025547 | System and method for providing a tearing and wetting effect in toys | — | 2011-09-27 |
| D295873 | Calculator combined with clip | — | 1988-05-24 |