Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8678676 | Tilt shift lens adapter | Wilfried Bittner, J. Brian Caldwell | 2014-03-25 |
| 6869233 | Image capture device | Lothar Westerweck, Wilfred Bittner | 2005-03-22 |
| 6257775 | Mirror-reflex camera | Joerg Tiedemann | 2001-07-10 |