Granted Patent
Utility
US 4,890,296 · App. 07/300,087
Housing for the output coupler of a laser
Inventor:
Robert Allen Crosby, Jr.
Patented Case
View Patent ↗
Granted: Dec 26, 1989
Filed: Jan 19, 1989
Inventor
Robert Allen Crosby, Jr.
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.