Granted Patent
Utility
US 4,520,958 · App. 06/507,139
Multi-compartment envelope for coupon nesting
Inventors:
John H. Jones, Donald W. Schoenleber
Patented Case
View Patent ↗
Granted: Jun 4, 1985
Filed: Jun 23, 1983
Inventors
John H. Jones
Donald W. Schoenleber
Assignee (at issue)
Beatrice Foods Co.
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.