Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4952181 | Marine shift cable assembly with spring guide | David C. Entringer | 1990-08-28 |
| 4777980 | Adjustment assembly for valve spool and associated centering spring | David C. Entringer | 1988-10-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4952181 | Marine shift cable assembly with spring guide | David C. Entringer | 1990-08-28 |
| 4777980 | Adjustment assembly for valve spool and associated centering spring | David C. Entringer | 1988-10-18 |