Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336375 | Delayed coker drumhead handling apparatus | Frank L. Landon, William R. Ruble | 1994-08-09 |
| 5048876 | Closure apparatus for pipes and vessels | — | 1991-09-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336375 | Delayed coker drumhead handling apparatus | Frank L. Landon, William R. Ruble | 1994-08-09 |
| 5048876 | Closure apparatus for pipes and vessels | — | 1991-09-17 |