Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4617501 | Control and safety system for electrically powered submersible tools and lights | — | 1986-10-14 |
| 4294181 | Subsoil agricultural implement with rotatable disc | — | 1981-10-13 |