Inventor
Katzen Erik
US3 patents
Patents
3 patentsUS10553049B2Feb 4, 2020
Using embedded electromagnetic signatures to monitor and authorize collection of printed material
IBM0 citations50
US10297093B2May 21, 2019
Using embedded electromagnetic signatures to monitor and authorize collection of printed material
IBM0 citations50
US10043327B2Aug 7, 2018
Using embedded electromagnetic signatures to monitor and authorize collection of printed material
IBM1 citations50