Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6571920 | Wheel hub for bicycles | Joachim Sturmer, Peter Feiler, Peter Kroger, Jean Bernard Plee | 2003-06-03 |
| 6513405 | Twist grip shift lever for bicycles | Joachim Sturmer, Peter Feiler, Peter Kroger, Jean Bernard Plee | 2003-02-04 |
| 6484603 | Selector for a bicycle gear mechanism | Robert Wessel, Bernhard Johanni | 2002-11-26 |
| 6216553 | Selector for a bicycle gear mechanism | Robert Wessel, Bernhard Johanni | 2001-04-17 |
| 6095010 | Gearshift for bicycle gears | Martin Assel | 2000-08-01 |
| 6055882 | Twist-grip shifter for bicycles | Nico Lemmens | 2000-05-02 |
| 6042133 | Index shifter for bicycle transmissions | Berndt Leiter, Bernhard Johanni, Max Rumpel, Klaus Konig, Klaus Stuhler | 2000-03-28 |
| 5964123 | Twist-grip shifter bicycle transmissions | — | 1999-10-12 |
| 5904069 | Gear-change switch for controlling bicycle gears | Johannes Rau, Bernhard Johanni | 1999-05-18 |
| 5893573 | Rotary handlebar-mountable gearshift actuator for bicycles | — | 1999-04-13 |
| 5823058 | Twist-grip shifter for bicycles and a bicycle having a twist-grip shifter | — | 1998-10-20 |
| 5799541 | Twist-grip shifter for bicycles and a bicycle having a twist-grip shifter | — | 1998-09-01 |
| 5666859 | Latching shifter for a bicycle transmission | Klaus Neumann | 1997-09-16 |
| 5588925 | Shifter for transmissions on bicycles | Christian Weishaupt | 1996-12-31 |