Issued Patents All Time
| 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, Thomas Kessler, Herman F. Brandt, Walter Gotz +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, Thomas Kessler, Herman F. Brandt, Walter Gotz +1 more | 2002-05-21 |
| 6289928 | Apparatus and method for direct injection of additives into a polymer melt stream | Charles F. Helms, Jr., Dominick A. Burlone, Thomas Kessler, Herman F. Brandt, Walter Gotz +1 more | 2001-09-18 |