Granted Patent
Utility
US 4,565,447 · App. 06/553,736
Photometric apparatus with multi-wavelength excitation
Inventor:
Kenneth E. Nelson
Patented Case
View Patent ↗
Granted: Jan 21, 1986
Filed: Nov 21, 1983
Inventor
Kenneth E. Nelson
Assignee (at issue)
Millipore Corporation
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.