Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5509370 | Amphibious land reclamation vehicle | Peter Kovacs, Mihaly Kovacs | 1996-04-23 |
| 5299523 | Amphibious land reclamation vehicle | Mihaly Kovacs, Peter Kovacs | 1994-04-05 |
| 5282694 | Method of reclaiming abandoned settling ponds | Mihaly Kovacs, Peter Kovacs | 1994-02-01 |