Granted Patent
Utility
US 4,639,849 · App. 06/731,895
Snubber circuit for H.F. bridge converter
Inventors:
Zbigniew Noworolski, Jerzy Ferens
Patented Case
View Patent ↗
Granted: Jan 27, 1987
Filed: May 8, 1985
Inventors
Zbigniew Noworolski
Jerzy Ferens
Assignee (at issue)
International Exide Electronics/Corporation
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.