Granted Patent
Utility
US 6,667,832 · App. 10/166,889
Loupe hinge for magnification viewer
Inventors:
Charles H. Caplan, Charles E. Bain
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: Jun 11, 2002
Inventors
Charles H. Caplan
Charles E. Bain
Assignee (at issue)
Kerr 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.