A. John Esserian Papers regarding Barcode Technology
These are the papers of A. John Esserian, who founded Charecogn Systems, Inc. and Second Dimension Data, Inc. Both these companies were involved in barcoding technology. Charecogn Systems submitted a proposal for a circular barcode to the Universal Product Code (UPC) barcode competition in 1973-1974. These papers include documents surrounding the establishment of the UPC, patents, and corporate records for the aforementioned corporations.