Granted Patent
Utility
US 6,335,854 · App. 09/507,622
High voltage isolated relay driver
Inventor:
John F. Stickelmaier
Patented Case
View Patent ↗
Granted: Jan 1, 2002
Filed: Feb 21, 2000
Inventor
John F. Stickelmaier
Assignee (at issue)
HUGHES ELECTRONICS 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.