Granted Patent
Utility
US 4,810,470 · App. 07/063,925
Volume independent diagnostic device
Inventors:
Alan E. Burkhardt, Marvin A. Genshaw, Lon R. Stover
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Jun 19, 1987
Inventors
Alan E. Burkhardt
Marvin A. Genshaw
Lon R. Stover
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.