Granted Patent
Utility
US 4,927,237 · App. 07/203,496
Universal night vision goggle adapter
Inventor:
Richard T. Hart
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: Jun 7, 1988
Inventor
Richard T. Hart
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.