Inventor

CHUMA JOHN L

US3 patents

Patents

3 patents

US11249367B2Feb 15, 2022

Pressure-sensitive writing media comprising electrophoretic materials

E INK CORP2 citations65

US10969604B2Apr 6, 2021

Three dimensional display apparatus

E INK CORP0 citations48

US12468182B2Nov 11, 2025

Electrophoretic display with low profile edge seal

E INK CORP0 citations43