Patents per Year
Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6580517 | Absolute wavelength calibration of lithography laser using multiple element or tandem see through hollow cathode lamp | Peter Lokai | 2003-06-17 | |
| 6504861 | Laser gas replenishment method | Hans-Stephan Albrecht, Klaus Vogler | 2003-01-07 | |
| 6493370 | Laser gas replenishment method | Hans-Stephan Albrecht, Klaus Vogler | 2002-12-10 | |
| 6490308 | Laser gas replenishment method | Hans-Stephan Albrecht, Klaus Vogler | 2002-12-03 | |
| 6389052 | Laser gas replenishment method | Hans-Stephan Albrecht, Klaus Vogler | 2002-05-14 | |
| 4336019 | Educational accounting game | — | 1982-06-22 |