Granted Patent
Utility
US 5,696,728 · App. 08/778,802
Negative voltage level shift circuit
Inventors:
Andy Yu, Vikram Kowshik
Patented Case
View Patent ↗
Granted: Dec 9, 1997
Filed: Jan 3, 1997
Inventors
Andy Yu
Vikram Kowshik
Assignee (at issue)
Programmable Microelectronics 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.