Granted Patent
Utility
US 6,236,191 · App. 09/585,596
Zero voltage switching boost topology
Inventor:
Rachid Chaffai
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Jun 2, 2000
Inventor
Rachid Chaffai
Assignee (at issue)
Astec International Limited
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.