Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566783 | Fixing device | Peter P. Schwierz, Adolf Rebhan | 1986-01-28 |
| 4560426 | Process for the manufacture of identity cards | Manfred Unger, Helmut Walter | 1985-12-24 |
| 4551406 | Electrophotographic recording process and photoconductive coating suitable for use therein | Gunther Schaedlich | 1985-11-05 |
| 4482242 | Device and method for stripping developer liquid from a photoconductive surface | Guenther Schaedlich | 1984-11-13 |
| 4482241 | Device and method for stripping developer from a photoconductive surface | Gunther Schadlich | 1984-11-13 |
| 4478924 | Process for transferring a pigment image using a spacer | Renate Schaedlich | 1984-10-23 |
| 4462675 | Process and apparatus for thermally fixing toner images | Gunther Schaedlich | 1984-07-31 |
| 4441945 | Method for selective lamination of thermoplastic layers | Renate Schadlich | 1984-04-10 |
| 4438321 | Fixing device for copier | — | 1984-03-20 |
| 4415947 | Method and apparatus for electrostatically charging a dielectric layer | Kurt Dryczynski, Gunther Schadlich | 1983-11-15 |
| 4400057 | Information carriers, method of forming and copying said carriers | Renate Schadlich | 1983-08-23 |
| 4392711 | Process and apparatus for rendering visible charge images | Gunther Schadlich | 1983-07-12 |
| 4380388 | Cyclic electrophotographic copying process | Gunther Schadlich | 1983-04-19 |
| 4360408 | Information carriers, method of forming and copying said carriers | Renate Schadlich | 1982-11-23 |
| 4356052 | Method and apparatus for selective lamination of thermoplastic layers | Renate Schadlich | 1982-10-26 |
| 4353639 | Device for removing developer liquid from a recording material | Gunther Schadlich | 1982-10-12 |
| 4353970 | Method and apparatus for electrostatically charging a dielectric layer | Kurt Dryczynski, Gunther Schadlich | 1982-10-12 |
| 4324421 | Identity card with incorporated fibrids | Peter Steinau, Fritz Pierson | 1982-04-13 |
| 4313984 | Laminated identity card having separation-resistant laminae and method of manufacturing same | Renate Schadlich | 1982-02-02 |
| 4304809 | Identity card with grid images | Gotz von dem Bussche | 1981-12-08 |
| 4298217 | Identity card | Helmut Walter | 1981-11-03 |
| 4294913 | Information carriers, method of forming and copying said carriers | Renate Schadlich | 1981-10-13 |
| 4281049 | Color separation transparency and process for the preparation thereof | — | 1981-07-28 |
| 4269915 | Information carrier original for zero order diffraction projection | — | 1981-05-26 |
| 4269932 | Process for preparing an original information carrier for zero-order diffraction | Renate Schadlich | 1981-05-26 |