Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5124111 | Method of forming a substantially continous swirled filament | Richard Francis Keller, Terry L. Springer | 1992-06-23 |
| 4995333 | Sprayed adhesive system for applying a continuous filament of theroplastic material and imparting a swirling motion thereto | Richard Francis Keller, Terry L. Springer | 1991-02-26 |