| Patent | Date |
|---|
Method and apparatus using ultrasonic and light waves for identification of test specimens
Grant 5,551,295 - Stockburger September 3, 1 | 1996-09-03 |
Method of manufacture of a data processing card provided with signs and data processing card provided with signs obtained by laser radiation
Grant 5,234,624 - Bauer , et al. August 10, 1 | 1993-08-10 |
Method and device for characterizing and identifying falsification-proof data supports
Grant 4,816,657 - Stockburger , et al. March 28, 1 | 1989-03-28 |
Method of securing data on a data support
Grant 4,705,938 - Stockburger , et al. * November 10, 1 | 1987-11-10 |
Method and device for identifying data supports
Grant 4,680,807 - Stockburger , et al. * July 14, 1 | 1987-07-14 |
Method for the detection of authenticity in a data carrier and apparatus for applying said method
Grant 4,650,979 - Stockburger , et al. March 17, 1 | 1987-03-17 |
Method for protection against the re-transfer of uniquely recorded information on a data carrier and apparatus for recording and/or reading re-transfer-protected information
Grant 4,649,265 - Stockburger , et al. March 10, 1 | 1987-03-10 |
Method and means for producing and analyzing secret identifying code marks in machine-scanned data carriers
Grant 4,629,873 - Stockburger , et al. December 16, 1 | 1986-12-16 |
Credit card
Grant 4,620,727 - Stockburger , et al. November 4, 1 | 1986-11-04 |
Data card and data strip measuring means
Grant 4,621,188 - Stockburger , et al. November 4, 1 | 1986-11-04 |
Copying apparatus with use registering means
Grant 4,588,286 - Stockburger , et al. May 13, 1 | 1986-05-13 |
Method and apparatus for the characteristic marking and/or identification of a data-carrier
Grant 4,582,986 - Stockburger , et al. April 15, 1 | 1986-04-15 |
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
Grant 4,546,242 - Stockburger , et al. October 8, 1 | 1985-10-08 |
Method of producing a controlled number of authorization members
Grant 4,542,465 - Stockburger , et al. September 17, 1 | 1985-09-17 |
Data carrier controlled data processing
Grant 4,535,418 - Stockburger , et al. August 13, 1 | 1985-08-13 |
Method and device for registering the use of copying machines
Grant 4,533,237 - Stockburger , et al. August 6, 1 | 1985-08-06 |
Method for operating automatic devices such as cash registers or the like and a device for carrying out the method
Grant 4,518,852 - Stockburger , et al. May 21, 1 | 1985-05-21 |
Device for feeding data supports in a processing arrangement
Grant 4,505,471 - Stockburger , et al. March 19, 1 | 1985-03-19 |
Method and device for identifying data supports
Grant 4,493,107 - Stockburger , et al. January 8, 1 | 1985-01-08 |
Copying apparatus for producing combined copies
Grant 4,472,050 - Stockburger , et al. September 18, 1 | 1984-09-18 |
Method of securing data
Grant 4,469,937 - Stockburger , et al. September 4, 1 | 1984-09-04 |
Method and device for characterizing and identifying falsification proof data boards
Grant 4,450,348 - Stockburger , et al. May 22, 1 | 1984-05-22 |
Authorization card
Grant 4,432,567 - Stockburger , et al. February 21, 1 | 1984-02-21 |
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