Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355224 | Apparatus including a mangin mirror for superimposing variable graphical and alphanumeric information onto the image plane of an optical viewing device | — | 1994-10-11 |
| 5329347 | Multifunction coaxial objective system for a rangefinder | Wayne E. Isbell | 1994-07-12 |