Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647166 | Screen extension linkage for a video real-screen projection apparatus | Adrianus J. J. Franken, Waltherus A. M. van Bers, Adrianus Cornelius Van Kasteren | 1987-03-03 |