Granted Patent
Utility
US 4,970,080 · App. 07/304,222
Method of treating ascites in animals
Inventors:
Sebastian M. Laurent, Robert N. Sanders
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Jan 30, 1939
Inventors
Sebastian M. Laurent
Robert N. Sanders
Assignee (at issue)
Ethyl Corporation
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.