Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621678 | Heat exchanger apparatus for extruding thermoplastic compositions | Granville J. Hahn, Raleigh N. Rutledge, Alonzo H. Searl | 1986-11-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621678 | Heat exchanger apparatus for extruding thermoplastic compositions | Granville J. Hahn, Raleigh N. Rutledge, Alonzo H. Searl | 1986-11-11 |