Search Results for: Synthetic filament yarn twisted
(class / ) producing crimped, twisted, or curled fibers (e.g., textured, etc.)
(class / ) with assorting means (class / ) with means for heating newly formed filament, fiber, or preform (class / ) with means for cooling newly formed fiber, filament, or preform (e.g., nascent fiber, etc.)...
https://patents.justia.com/patents-by-us-classification/65