Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11391372 | Extruded interlocking jigsaw seal with sealing beads | Edward B. Whitehead | 2022-07-19 |
| 11066896 | Expandable backup ring | James R. Hanson, William Brooks Frederick | 2021-07-20 |
| 8069615 | Supported hollow seal | Darron G. Peddle | 2011-12-06 |
| 7854434 | Ring seal with axially-opposed radially-offset seal beads | William J. Laule, James R. Osborne, Darron G. Peddle, Michael R. Rivenburgh | 2010-12-21 |