Granted Patent
Utility
US 4,881,115 · App. 07/312,268
Bipolar semiconductor device having a conductive recombination layer
Inventors:
Israel A. Lesk, Lowell E. Clark
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Feb 21, 1989
Inventors
Israel A. Lesk
Lowell E. Clark
Assignee (at issue)
Motorola, 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.