Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6394187 | Flapper valve assembly apparatus and method | Rennie L. Dickson, Paul Butler | 2002-05-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6394187 | Flapper valve assembly apparatus and method | Rennie L. Dickson, Paul Butler | 2002-05-28 |