Granted Patent
Utility
US 5,150,128 · App. 07/655,616
In-phase and quadrature conversion error compensator
Inventor:
Knut Kongelbeck
Patented Case
View Patent ↗
Granted: Sep 22, 1992
Filed: Feb 15, 1991
Inventor
Knut Kongelbeck
Assignee (at issue)
Hughes Aircraft Company
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.