Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648068 | One-trip milling system | Charles H. Dewey, James E. Saylor, III, Bruce D. Swearingen, Andrew MacDonald Robin, Gregory S. Nairn | 2003-11-18 |
| 5894889 | One trip milling system | Charles H. Dewey, James E. Saylor, III, Bruce D. Swearingen, Andrew MacDonald Robin, Gregory S. Nairn | 1999-04-20 |
| 5771972 | One trip milling system | Charles H. Dewey, James E. Saylor, III, Bruce D. Swearingen, Andrew MacDonald Robin, Gregory S. Nairn | 1998-06-30 |