Granted Patent
Utility
US 4,820,491 · App. 07/032,607
Reagent test strip reading instrument
Inventors:
Mirza A. Khoja, Frank W. Wogoman
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Apr 1, 1987
Inventors
Mirza A. Khoja
Frank W. Wogoman
Assignee (at issue)
Miles 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.