Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D341909 | Dental floss dispenser | — | 1993-11-30 |
| D339692 | Manual toothbrush | — | 1993-09-28 |
| 5064761 | Process for the manufacture of 4-acylamino-3-hydroxybutyric acid esters | Gerardo Ramos, Jacques Bersier | 1991-11-12 |
| D315059 | Interdental brush handle | — | 1991-03-05 |
| D309041 | Dental floss holder | — | 1990-07-03 |
| 4927507 | Novel process for the manufacture of 4-acyloxy-3-hydroxyethyl-azetidinones | Gerardo Ramos, Jacques Bersier | 1990-05-22 |
| D305386 | Toothbrush | Dieter Rams, Jurgen Greubel | 1990-01-09 |
| D305385 | Toothbrush | — | 1990-01-09 |
| 4761408 | Crystalline aminomethyl compound | — | 1988-08-02 |
| 4467101 | Compounds with terminal aminocarboxylic acid grouping | Karoly Kocsis, Bruno Fechtig, Riccardo Scartazzini | 1984-08-21 |
| 4374134 | Cephalosporin compounds with terminal aminocarboxylic acid groupings and anti-bacterial use thereof | Karoly Kocsis, Bruno Fechtig, Riccardo Scartazzini | 1983-02-15 |
| D265990 | Columnar loudspeaker | Peter Hartwein | 1982-08-31 |
| D265822 | Loudspeaker column | Peter Hartwein | 1982-08-17 |
| 4234578 | Aminoethyl-methoxy-cephalosporin compounds | Beat Muller, Heinrich Peter, Hans Bickel | 1980-11-18 |