Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5942976 | Passive infrared intrusion detector and its use | Dieter Wieser, Kurt Muller, Martin Allemann, Thomas Hessler | 1999-08-24 |
| 5451931 | Optical smoke detector | Kurt Muller, Peter Ryser, Dieter Wieser, Rino E. Kunz, Markus Rossi | 1995-09-19 |
| 4945501 | Method for determining position within the measuring volume of a coordinate measuring machine and the like and system therefor | Frederick K. Bell, Stephen Brown | 1990-07-31 |
| 4668080 | Method and apparatus for forming large area high resolution patterns | Hans P. Kleinknecht, Karl H. Knop | 1987-05-26 |
| 4663524 | Apparatus for measuring parameters of light spots with a moving knife-edge mask | Heinrich Meier | 1987-05-05 |
| 4601581 | Method and apparatus of determining the true edge length of a body | Robert Covey, Istvan Gorog, John P. Beltz | 1986-07-22 |
| 4585513 | Method for removing glass support from semiconductor device | Martin Ebnother, Helmut Schuetz | 1986-04-29 |
| 4576439 | Reflective diffractive authenticating device | Karl H. Knop, Martin Ebnother | 1986-03-18 |
| 4534620 | Standardized multi-stack dielectric-layer filter blank and method for fabricating color-encoding filter therefrom | Hans W. Lehmann | 1985-08-13 |
| 4523850 | System for positioning a body | Robert Covey | 1985-06-18 |
| 4464030 | Dynamic accuracy X-Y positioning table for use in a high precision light-spot writing system | Karl H. Knop | 1984-08-07 |
| 4417784 | Multiple image encoding using surface relief structures as authenticating device for sheet-material authenticated item | Karl H. Knop | 1983-11-29 |
| 4353622 | Recording blank and method for fabricating therefrom diffractive subtractive filter metal embossing master | James Kane | 1982-10-12 |
| 4213673 | Projector for reading out color-encoded focused image holograms employing an optimum encoding scheme | — | 1980-07-22 |