Inventor

STEFFEN JOHN F

US4 patents

⚠️ This page may combine multiple inventors who share the name “STEFFEN JOHN F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AVINTIV SPECIALTY MATERIALS INC

2 patents

US11060207B2Jul 13, 2021

Multi-zone spinneret, apparatus and method for making filaments and nonwoven fabrics therefrom

AVINTIV SPECIALTY MATERIALS INC2 citations65

US10301746B2May 28, 2019

Multi-zone spinneret, apparatus and method for making filaments and nonwoven fabrics therefrom

AVINTIV SPECIALTY MATERIALS INC2 citations65

STEFFEN JOHN F

1 patent

US8426671B2Apr 23, 2013

Liquid management layer for personal care absorbent articles

STEFFEN JOHN F14 citations75

DWIGGINS CARLTON F

1 patent

US11274384B2Mar 15, 2022

Liquid barrier nonwoven fabrics with ribbon-shaped fibers

DWIGGINS CARLTON F0 citations39