Granted Patent
Utility
US 6,061,189 · App. 08/583,279
Through-the-lens binocular viewer
Inventors:
Charles H. Caplan, Richard A. Buchroeder
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Jan 5, 1996
Inventors
Charles H. Caplan
Richard A. Buchroeder
Assignee (at issue)
Surgical Acuity, 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.