Granted Patent
Utility
US 4,444,681 · App. 06/422,999
L-Tyrosine.sup.21 calcitonin
Inventors:
Glenn L. Stahl, Ronald C. Orlowski
Patented Case
View Patent ↗
Granted: Apr 24, 1984
Filed: Sep 24, 1982
Inventors
Glenn L. Stahl
Ronald C. Orlowski
Assignee (at issue)
Armour Pharmaceutical
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.