Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4721481 | Replaceable RF connector | H. Erwin Grellmann, Gerald K. Hein, Randy C. Karambelas | 1988-01-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4721481 | Replaceable RF connector | H. Erwin Grellmann, Gerald K. Hein, Randy C. Karambelas | 1988-01-26 |