Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11656385 | Freeform Fresnel surface, method for producing a freeform Fresnel surface and method for creating a construction dataset | Guenter Rudolph, Georg Michels | 2023-05-23 |
| 10754157 | Optical element | Jens Hofmann, Gerhard Kelch, Joerg Puetz, Georg Michels | 2020-08-25 |
| 10558045 | Method for producing an optical element | Jens Hofmann, Gerhard Kelch, Joerg Puetz, Georg Michels | 2020-02-11 |
| 9995938 | Spectacle lens for a display device that can be fitted on the head of a user and generates an image | Lisa Riedel, Hans-Juergen Dobschal, Gerhard Kelch, Karsten Lindig, Joerg Puetz +4 more | 2018-06-12 |
| 9170432 | Low distortion eyewear lens with low optical power | Ray Steven Spratt, Sabrina Malnati | 2015-10-27 |
| 8297751 | Multi-focal lenses with segmented boundaries | Ray Steven Spratt, Darryl Meister | 2012-10-30 |
| 7757373 | Method and tool head for machining optically active surfaces, particularly surfaces of progressive spectacle lenses, which are symmetrical in pairs | Andreas Bielke | 2010-07-20 |
| D592686 | Milling machine | Rainer Schmitz, Sebastian Guggenmos, Michael K. Schaaf, Christian A. Richter, Erich Sendelbach | 2009-05-19 |
| D389329 | Stackable chair | Rainer Schmitz | 1998-01-20 |
| D365452 | Chaise Lounge | Johannes Prins | 1995-12-26 |
| D325154 | Hand held hot melt dispenser | John B. King, Octavio K. Nusse | 1992-04-07 |
| D316506 | Hand-held hot melt dispenser | Octavio K. Nusse | 1991-04-30 |
| D315852 | Hot melt dispenser | Oktavio K. Nusse | 1991-04-02 |
| D307105 | Base for cordless hot melt dispenser | Oktavio K. Nusse | 1990-04-10 |
| D297299 | Hot melt glue gun | — | 1988-08-23 |