Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4713271 | Foamed polymer tubing | Granville J. Hahn, Raleigh N. Rutledge | 1987-12-15 |
| 4621678 | Heat exchanger apparatus for extruding thermoplastic compositions | Granville J. Hahn, Raleigh N. Rutledge, Walter E. Sommerman | 1986-11-11 |
| 4526736 | Process and apparatus for manufacturing flexible foamed articles | Granville J. Hahn, Raleigh N. Rutledge | 1985-07-02 |
| 4451586 | Process and apparatus for manufacturing flame retardant flexible foamed articles | Granville J. Hahn, Raleigh N. Rutledge | 1984-05-29 |