Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4610217 | Apparatus for electrostatic spraying of the insides of lamp envelopes | Andras Czeiler, Miklos Keri, Bela Balogh, Erno Fejes, Sandor Lukacs | 1986-09-09 |
| 4421803 | Glass envelope for electric light sources | Andras Czeiler, Laszlo Simenfalvi | 1983-12-20 |