Inventor
SEIFERT HARRY A
US3 patents
Patents
3 patentsUS6607813B2Aug 19, 2003
Simulated security thread by cellulose transparentization
STANDARD REGISTER CO22 citations89
US6733867B2May 11, 2004
Heat-transferable security stamp
STANDARD REGISTER CO3 citations60
US6410082B1Jun 25, 2002
Process for the formation of a heat-transferable security stamp entirely free of non-aqueous solvents
STANDARD REGISTER CO1 citations49