Inventor

WRENN JOHN

US4 patents

Patents

4 patents

US10472201B2Nov 12, 2019

Core with cushion strip

SONOCO DEV INC4 citations81

US11661305B2May 30, 2023

Core with strip or strips of varying density

SONOCO DEV INC2 citations70

US10906769B2Feb 2, 2021

Core with cushion strip

SONOCO DEV INC3 citations70

US11970361B2Apr 30, 2024

Core with cushion strip and varying slot depth

SONOCO DEV INC0 citations59