Inventor

PETERSEN MARK A

US2 patents

⚠️ This page may combine multiple inventors who share the name “PETERSEN MARK A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DATACARD CORP

1 patent

US5079739AJan 7, 1992

Apparatus and method for converting bit-mapped data from row orientation to column or orientation

DATACARD CORP14 citations63

FIRST DATA CORP

1 patent

US11410147B2Aug 9, 2022

Systems and methods for facilitating purchases at a gas station

FIRST DATA CORP0 citations38