Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6516911 | Unitary power module for electric bicycles, bicycle combinations and vehicles | Richard A. Mayer, Bruce S. Widmann, Seth A. Terr, Devin S. Bank | 2003-02-11 |
| RE37583 | Precision direct drive mechanism for a power assist apparatus for a bicycle | Richard A. Mayer | 2002-03-19 |
| 6269898 | Unitary power module for electric bicycles, bicycle combinations and vehicles | Richard A. Mayer, Bruce S. Widmann, Seth A. Terr, Devin S. Bank | 2001-08-07 |
| D434349 | Electric bicycle with pedal torque enable unit | Richard A. Mayer, David S. Bank | 2000-11-28 |
| 5937964 | Unitary power module for electric bicycles, bicycle combinations and vehicles | Richard A. Mayer, Bruce S. Widmann, Seth A. Terr, Devin S. Bank | 1999-08-17 |
| 5934401 | Precision direct drive mechanism for a power assist apparatus for a bicycle | Richard A. Mayer | 1999-08-10 |