Granted Patent
Utility
US 4,583,679 · App. 06/738,929
Resealable paperboard package
Inventor:
Harold D. Johnson
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: May 29, 1985
Inventor
Harold D. Johnson
Assignee (at issue)
Manville Service 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.