Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5740294 | Optical sound head combined with a sound film projector | Hans Baumann | 1998-04-14 |
JP
Jurgen Perkams
Overall (All Time): #3,681,390 of 4,157,543Top 90%
1
Patents All Time