Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648562 | Apparatus for tapping a hole in a pipeline | Charles D. Calkins, Jerry Lee Dunn, David Albertson, Matthew W. James | 2003-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648562 | Apparatus for tapping a hole in a pipeline | Charles D. Calkins, Jerry Lee Dunn, David Albertson, Matthew W. James | 2003-11-18 |