Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4734063 | Radially resilient electric socket | Joseph Koch, Richard Koch | 1988-03-29 |
| 4657335 | Radially resilient electrical socket | Joseph Koch, Richard Koch | 1987-04-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4734063 | Radially resilient electric socket | Joseph Koch, Richard Koch | 1988-03-29 |
| 4657335 | Radially resilient electrical socket | Joseph Koch, Richard Koch | 1987-04-14 |