Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5081923 | Method of creating a registered pattern on a metal coil and associated apparatus | George Hardick, Ralph Campbell | 1992-01-21 |
| 5037665 | Method of creating a registered pattern on a metal coil and associated apparatus | George Hardick, Ralph Campbell | 1991-08-06 |