Granted Patent
Utility
US 4,750,107 · App. 06/689,209
Printer-tape data link processor with DMA slave controller which automatically switches between dual output control data chomels
Inventor:
Jerrold E. Buggert
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Jan 7, 1985
Inventor
Jerrold E. Buggert
Assignee (at issue)
Unisys Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.