Granted Patent
Utility
US 4,965,710 · App. 07/438,094
Insulated gate bipolar transistor power module
Inventors:
Brian R. Pelly, Ajit Dubhashi, Peter R. Ewer
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: Nov 16, 1989
Inventors
Brian R. Pelly
Ajit Dubhashi
Peter R. Ewer
Assignee (at issue)
International Rectifier 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.