Granted Patent
Utility
US 5,289,930 · App. 07/794,751
Evaporation closure
Inventor:
Kenneth K. Inouye
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Nov 19, 1991
Inventor
Kenneth K. Inouye
Assignee (at issue)
Syntex (U.S.A.) LLC
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.