Granted Patent
Utility
US 4,143,014 · App. 05/849,859
Novel compositions
Inventors:
Alexander McLaughlin, Harold E. Reymore, Jr., Reinhard H. Richter
Patented Case
View Patent ↗
Granted: Mar 6, 1979
Filed: Nov 9, 1977
Inventors
Alexander McLaughlin
Harold E. Reymore, Jr.
Reinhard H. Richter
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.