Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8859100 | Barrier structure and method for making | Peter A. Kirk, II, Ruth A. Jamke, Robert G. Pleydon | 2014-10-14 |
| 8859101 | Multi-layer article | Peter A. Kirk, II, Ruth A. Jamke, Robert G. Pleydon | 2014-10-14 |
| 7168147 | Method for manufacturing a drilling tool with an elastomer seal having graded properties | Redd H. Smith, Terry J. Koltermann | 2007-01-30 |