Granted Patent
Utility
US 4,498,781 · App. 06/296,851
Data compression system for a photometer
Inventor:
Michael Kaplit
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Aug 27, 1981
Inventor
Michael Kaplit
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.