Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4482865 | Apparatus for the automatic inducement of a magnetic field in an elongated article under test | — | 1984-11-13 |
| 4354085 | Pipe welder with improved seam spreader | Douglas E. Alexander | 1982-10-12 |