Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6918672 | Arrangement for rotatable adjustment of a cap on an eyepiece housing | Alfred Hengst | 2005-07-19 |
| 6779899 | Arrangement for rotatable adjustment of a cap on an eyepiece housing | Alfred Hengst | 2004-08-24 |