Granted Patent
Utility
US 5,490,987 · App. 08/175,412
Tableting of colestipol hydrochloride
Inventors:
Robert Shen, Jeffrey Ellis Price
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Dec 30, 1993
Inventors
Robert Shen
Jeffrey Ellis Price
Assignee (at issue)
The Upjohn Co.
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.