Inventor

VULLRIEDE CARSTEN

DE3 patents

Patents

3 patents

US7646885B2Jan 12, 2010

Method for monitoring prepaid postage indicia on mail

DEUTSCHE POST AG2 citations53

US7529386B2May 5, 2009

Method and device for monitoring stamps on mail

DEUTSCHE POST AG2 citations53

US7580529B2Aug 25, 2009

Method for verifying digital franking notes

DEUTSCHE POST AG2 citations46