Granted Patent
Utility
US 4,935,347 · App. 07/124,351
Stabilization of compounds
Inventor:
Michael H. Coleman
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Nov 23, 1987
Inventor
Michael H. Coleman
Assignee (at issue)
Radiometer Corporate Development Ltd.
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.