Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455612 | Apparatus and method for direct injection of additives into a polymer melt stream | Charles F. Helms, Jr., Dominick A. Burlone, James L. Huff, Thomas Kessler, Herman F. Brandt +1 more | 2002-09-24 |
| 6391239 | Methods of making multiphase elongate polymeric extrudates by directing additives into a cross-sectional location thereof | Charles F. Helms, Jr., Dominick A. Burlone, James L. Huff, Thomas Kessler, Herman F. Brandt +1 more | 2002-05-21 |