Assignee
STOCKBURGER H
DE22 patents
Top patents by PatentIndex Score
US4620727ANov 4, 1986
Credit card
STOCKBURGER H77 citations96
US4650979AMar 17, 1987
Method for the detection of authenticity in a data carrier and apparatus for applying said method
STOCKBURGER H28 citations92
US4582986AApr 15, 1986
Method and apparatus for the characteristic marking and/or identification of a data-carrier
STOCKBURGER H44 citations92
US4518852AMay 21, 1985
Method for operating automatic devices such as cash registers or the like and a device for carrying out the method
STOCKBURGER H30 citations92
US4450348AMay 22, 1984
Method and device for characterizing and identifying falsification proof data boards
STOCKBURGER H44 citations92
US4816657AMar 28, 1989
Method and device for characterizing and identifying falsification-proof data supports
STOCKBURGER H22 citations82
US4621188ANov 4, 1986
Data card and data strip measuring means
STOCKBURGER H22 citations82
US4469937ASep 4, 1984
Method of securing data
STOCKBURGER H21 citations82
US4629873ADec 16, 1986
Method and means for producing and analyzing secret identifying code marks in machine-scanned data carriers
STOCKBURGER H15 citations73
US4588286AMay 13, 1986
Copying apparatus with use registering means
STOCKBURGER H13 citations73
US4546242AOct 8, 1985
Method for protecting against the re-transfer of uniquely recorded information on a data carrier and apparatus for recording and/or reading re-transfer-protected information
STOCKBURGER H7 citations73
US4542465ASep 17, 1985
Method of producing a controlled number of authorization members
STOCKBURGER H15 citations73
US4505471AMar 19, 1985
Device for feeding data supports in a processing arrangement
STOCKBURGER H8 citations73
US4493107AJan 8, 1985
Method and device for identifying data supports
STOCKBURGER H7 citations73
US4432567AFeb 21, 1984
Authorization card
STOCKBURGER H10 citations73
US4533237AAug 6, 1985
Method and device for registering the use of copying machines
STOCKBURGER H9 citations68
US4705938ANov 10, 1987
Method of securing data on a data support
STOCKBURGER H5 citations62
US4680807AJul 14, 1987
Method and device for identifying data supports
STOCKBURGER H3 citations62
US4535418AAug 13, 1985
Data carrier controlled data processing
STOCKBURGER H2 citations62
US4501959AFeb 26, 1985
Method and apparatus for aligning flat data supports
STOCKBURGER H4 citations62
US4339820AJul 13, 1982
Method and device for coding and/or decoding and securing data
STOCKBURGER H2 citations62
US4767919AAug 30, 1988
Method for the detection of authenticity in a data carrier and apparatus for applying said method
STOCKBURGER H0 citations52