Granted Patent
Utility
US 5,874,844 · App. 08/905,716
Schmitt trigger circuit with an adjustable trigger voltage
Inventor:
Dong Young Shin
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Aug 4, 1997
Inventor
Dong Young Shin
Assignee (at issue)
LG Semicon Co., Ltd.
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.