Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672307 | Flash spinning process | Roger Keith Siemionko | 1997-09-30 |
| 5643525 | Process for improving electrostatic charging of plexifilaments | David Jackson McGinty, Ervin Townsend Powers, Jr., Roger Keith Siemionko, David Martin Taylor | 1997-07-01 |