Granted Patent
Utility
US 5,200,578 · App. 07/799,467
High voltage feedthrough bushing
Inventor:
John P. Brucker
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Nov 27, 1991
Inventor
John P. Brucker
Assignee (at issue)
United States Department of Energy
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.