Granted Patent
Utility
US 5,239,984 · App. 07/797,724
Hand-held opto-diagnostic instrument system
Inventors:
Richard M. Cane, Wayne R. Byard
Patented Case
View Patent ↗
Granted: Aug 31, 1993
Filed: Nov 25, 1991
Inventors
Richard M. Cane
Wayne R. Byard
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.