Granted Patent
Utility
US 5,019,863 · App. 07/102,879
Wedged-pole hybrid undulator
Inventor:
David Quimby
Patented Case
View Patent ↗
Granted: May 28, 1991
Filed: Sep 30, 1987
Inventor
David Quimby
Assignee (at issue)
Amoco 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.