Granted Patent
Utility
US 5,416,364 · App. 08/091,315
Direct current to direct current galvanic isolator
Inventor:
August A. Divjak
Patented Case
View Patent ↗
Granted: May 16, 1995
Filed: Jul 14, 1993
Inventor
August A. Divjak
Assignee (at issue)
Johnson Service 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.