Granted Patent
Utility
US 5,434,768 · App. 08/016,885
Fixed frequency converter switching at zero voltage
Inventors:
Ionel Jitaru, Beldianu Vasile
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Feb 12, 1993
Inventors
Ionel Jitaru
Beldianu Vasile
Assignee (at issue)
Rompower 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.