Granted Patent
Utility
US 5,342,756 · App. 07/435,369
Type III collagen degradation assay
Inventors:
Juha Risteli, Leila Risteli
Patented Case
View Patent ↗
Granted: Aug 30, 1994
Filed: Dec 5, 1989
Inventors
Juha Risteli
Leila Risteli
Assignee (at issue)
Orion-Yhtyma OY
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.