Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12350852 | Polymeric cutting edge structures and method of manufacturing polymeric cutting edge structures | Matthias Gester, Roman Kiyan, Ulf Hinze, Kestutis Kurselis | 2025-07-08 |
| 10780599 | Polymeric cutting edge structures and method of manufacturing polymeric cutting edge structures | Matthias Gester, Roman Kiyan, Ulf Hinze, Ayman El-Tamer | 2020-09-22 |
| 10562200 | Polymeric cutting edge structures and method of manufacturing polymeric cutting edge structures | Matthias Gester, Roman Kiyan, Ulf Hinze, Ayman El-Tamer | 2020-02-18 |
| 9808944 | Methods of manufacturing silicon blades for shaving razors | Peter Johannus Leussink, Neville Sonnenberg | 2017-11-07 |
| 8826543 | Manually actuable liquid dispensing razor | Andrew Anthony Szczepanowski, James Leo Salemme, Christopher James Wattam, Russell Stuart Avens, Sean Peter Clarke +1 more | 2014-09-09 |
| 8745877 | Manually actuable liquid dispensing razor | Andrew Anthony Szczepanowski, James Leo Salemme, Christopher James Wattam, Sean Peter Clarke | 2014-06-10 |
| 7654003 | Safety razors with charge indicator and power switch | Robert Barrett Yates | 2010-02-02 |
| 6789321 | Razors | — | 2004-09-14 |
| 6135660 | Marking instruments | Christopher John Stevens | 2000-10-24 |
| 5953819 | Razors | Oliver David Oglesby | 1999-09-21 |
| 5604983 | Razor system | Daniel B. Lazarchik | 1997-02-25 |
| 5551153 | Razor blade assembly | — | 1996-09-03 |
| D373218 | Safety razor cartridge | Jill M. Shurtleff | 1996-08-27 |
| 5377377 | Interproximal brush | William A. Bredall | 1995-01-03 |
| 5309596 | Interproximal brush | — | 1994-05-10 |
| 5224267 | Safety razors | Brian Oldroyd | 1993-07-06 |
| 5108180 | Dither arrangements | Brian J. Hogg | 1992-04-28 |
| 4973161 | Ring laser gyroscopes | — | 1990-11-27 |
| 4839903 | Ring laser gyroscopes | David J. Guppy | 1989-06-13 |
| 4831632 | Method and apparatus for optically aligning a laser cavity | — | 1989-05-16 |
| 4407583 | Ring laser gyroscopes | — | 1983-10-04 |