Granted Patent
Utility
US 4,835,381 · App. 07/114,787
Wide field of view radiant energy receiver
Inventor:
Peter Sorensen
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Oct 30, 1987
Inventor
Peter Sorensen
Assignee (at issue)
Varo 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.