Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4992732 | Method and apparatus for magnetic testing of metallic work pieces | Ronald Gene Walther | 1991-02-12 |
| 4888745 | Apparatus for marking individual points of an underwater construction | Ronald Gene Walther | 1989-12-19 |