Granted Patent
Utility
US 4,501,969 · App. 06/356,064
Photometric apparatus and process
Inventor:
Anthony Lymneos
Patented Case
View Patent ↗
Granted: Feb 26, 1985
Filed: Mar 8, 1982
Inventor
Anthony Lymneos
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.