| 4636341 |
Method for handling and cooling injection molded polymeric articles |
— |
1987-01-13 |
| 4611987 |
Apparatus for forming multilayer thermoplastic resin extrusions |
Granville J. Hahn, Raleigh N. Rutledge, Marion Johnson, Carl Blanchard |
1986-09-16 |
| 4552717 |
Process for making a thin walled container from a plastic resin |
Marion Johnson |
1985-11-12 |
| 4536148 |
Apparatus for making a thin walled container from a plastic resin |
Marion Johnson |
1985-08-20 |
| 4527970 |
Apparatus for injection molding polymeric articles |
— |
1985-07-09 |
| 4507071 |
Coextrusion apparatus for producing multiple layered thermoplastic pipe |
Granville J. Hahn, Raleigh N. Rutledge |
1985-03-26 |
| 4499041 |
Coextrusion process for producing multiple layered thermoplastic pipe |
Granville J. Hahn, Raleigh N. Rutledge |
1985-02-12 |
| 4483669 |
Multiple-layered sheeting apparatus |
Granville J. Hahn, Raleigh N. Rutledge |
1984-11-20 |
| 4483812 |
Valve plate and feedblock design for co-extrusion apparatus and co-extrusion process using same |
Granville J. Hahn, Raleigh N. Rutledge |
1984-11-20 |