Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5793469 | Variable distance, variable test object sight testing apparatus | Carsten Feiertag | 1998-08-11 |
| 5255027 | Eye testing device | Josef Reiner | 1993-10-19 |
RK
Rainer Kirchhubel
Overall (All Time): #2,263,246 of 4,157,543Top 55%
2
Patents All Time