Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D814285 | Expandable sealing mechanism | Graham E. Blackwood, Michael R. Miller, John M. Kaczmarczyk, James W. Skinner | 2018-04-03 |
| D813661 | Expandable sealing mechanism | Graham E. Blackwood, Michael R. Miller, John M. Kaczmarczyk, James W. Skinner | 2018-03-27 |