Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4633127 | Electric lamp having a strongly colored lamp envelope | Christiaan Prozee | 1986-12-30 |
| 4622488 | Internally fused electric lamp with partially embedded fuse wire | Bauke J. Roelevink | 1986-11-11 |
| 4565944 | Electric lamp | Wilhelmus Hubertus Franciscus Winkelmolen | 1986-01-21 |