Granted Patent
Utility
US 4,239,649 · App. 06/006,377
Cholesterol standard
Inventors:
E. Melvin Gindler, Louis M. Mezei
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Jan 25, 1979
Inventors
E. Melvin Gindler
Louis M. Mezei
Assignee (at issue)
Sherwood Medical Industries Inc.
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.