Granted Patent
Utility
US 4,944,134 · App. 07/305,876
Method of forming a reclosable package
Inventors:
Paul E. Grindrod, Gerald O. Hustad
Patented Case
View Patent ↗
Granted: Jul 31, 1990
Filed: Feb 2, 1989
Inventors
Paul E. Grindrod
Gerald O. Hustad
Assignee (at issue)
Oscar Mayer Foods 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.