Granted Patent
Utility
US 6,639,779 · App. 10/024,793
Frequency selective transient voltage protector
Inventors:
Vincent L. Knigge, Paul F. Haake
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Dec 19, 2001
Inventors
Vincent L. Knigge
Paul F. Haake
Assignee (at issue)
Oneac 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.