Granted Patent
Utility
US 5,235,682 · App. 07/783,756
Port output controller for use in microcomputer
Inventors:
Yuko Mitsuhira, Tsuyoshi Katayose
Patented Case
View Patent ↗
Granted: Aug 10, 1993
Filed: Oct 17, 1991
Inventors
Yuko Mitsuhira
Tsuyoshi Katayose
Assignee (at issue)
NEC 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.