| 2825958 | Process for making woven felts | |||
| 2774129 | Synthetic felts | |||
| 2761802 | Process for manufacturing upholstering material | |||
| 2604689 | Melt spinning process and fiber | |||
| 2416390 | Free fall fiber | |||
| 2336797 | Felted product | |||
| 2181043 | Felted fabric and method of making the same | |||
| 1737607 | Needled felt fabric |