Granted Patent
Utility
US 5,369,795 · App. 07/890,626
High frequency transformer and mixer using the same
Inventor:
Yoshiyuki Yanagimoto
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: May 28, 1992
Inventor
Yoshiyuki Yanagimoto
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.