Granted Patent
Utility
US 5,293,997 · App. 07/855,157
Reclosable food packaging having snap closure and method of making same
Inventors:
Gerald O. Hustad, Paul E. Grindrod
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: Mar 20, 1992
Inventors
Gerald O. Hustad
Paul E. Grindrod
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.