Granted Patent
Utility
US 4,566,798 · App. 06/550,692
Method for calibrating a reflectometer containing black and white references displaced from the sample position
Inventor:
Daniel D. Haas
Patented Case
View Patent ↗
Granted: Jan 28, 1986
Filed: Nov 10, 1983
Inventor
Daniel D. Haas
Assignee (at issue)
EASTMAN KODAK 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.