Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4672012 | Process for modifying structural profiles in resist layers | Knut Heitmann, Martin Hoppe, Eckhard Schneider | 1987-06-09 |
| 4612267 | Process for producing structures in resist layers using ultrasonic irradiation | Knut Heitmann, Martin Hoppe, Eckhard Schneider | 1986-09-16 |
| 4363536 | Instrument base for optical devices | Willi Hagner, Horst Frimmel, Horst Riegel | 1982-12-14 |
| 4353618 | Optical arrangement for the reflecting microscopic examination of an object | Willi Hagner, Francis Bigar | 1982-10-12 |