Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9708026 | Bicycle frame with removable down tube clips | — | 2017-07-18 |
| 8991848 | Bicycle frame | — | 2015-03-31 |
| 6893036 | Bicycle frame | Robert E. Shook | 2005-05-17 |
| 5330219 | Flexible and folding bicycle | Richard D. Vaughn, Ricky A. Engvall | 1994-07-19 |
| 5080384 | Bicycle frame | Robert E. Shook | 1992-01-14 |
| 4792150 | Bicycle frame | Robert E. Shook | 1988-12-20 |
| 4669747 | Flexible bicycle | — | 1987-06-02 |