Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D388606 | Fish-shaped tackle container and carrying case | Roger Zak | 1998-01-06 |
| 5549313 | Velocipede with protective padded shell and soft removable cover | Roger Zak, Michael Loeffler, Robert Friezen | 1996-08-27 |
| 5419752 | Muscle exercise apparatus for the physically disabled | Robert Friesen, Michael Loeffler | 1995-05-30 |