Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6232773 | Consistent drag floating backing bar system for pipeline pigs and method for using the same | Robert S. Evenson, Donald M. Macaulay | 2001-05-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6232773 | Consistent drag floating backing bar system for pipeline pigs and method for using the same | Robert S. Evenson, Donald M. Macaulay | 2001-05-15 |