Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8490762 | Magnetorheological (MR) piston ring and MR damper having same | James Louis Lopez, Jr. | 2013-07-23 |
| 8141689 | Magnetorheological (MR) piston ring with lubricating grooves | James Louis Lopez, Jr. | 2012-03-27 |