Granted Patent
Utility
US 6,786,160 · App. 10/428,526
Beam isolator
Inventors:
Walter J. Peach, John D. Anderson
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: May 2, 2003
Inventors
Walter J. Peach
John D. Anderson
Assignee (at issue)
ZefTek, Inc.
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.