Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4294462 | Spring locking device | Josef Svoboda, Karl Stritzl | 1981-10-13 |
| 4213630 | Spring locking device | Josef Svoboda, Karl Stritzl | 1980-07-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4294462 | Spring locking device | Josef Svoboda, Karl Stritzl | 1981-10-13 |
| 4213630 | Spring locking device | Josef Svoboda, Karl Stritzl | 1980-07-22 |