Granted Patent
Utility
US 5,020,194 · App. 07/490,112
Leakproof zipper with slider
Inventors:
Fox J. Herrington, Eric A. St. Phillips
Patented Case
View Patent ↗
Granted: Jun 4, 1991
Filed: Mar 7, 1990
Inventors
Fox J. Herrington
Eric A. St. Phillips
Assignee (at issue)
Mobil Oil 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.