Granted Patent
Utility
US 5,397,978 · App. 07/924,180
Current limit circuit for IGBT spark drive applications
Inventors:
John Parry, Richard D. Davis
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: Aug 3, 1992
Inventors
John Parry
Richard D. Davis
Assignee (at issue)
SILICONSYSTEMS, INC.
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.