Granted Patent
Utility
US 4,087,002 · App. 05/625,698
Shipping bag
Inventors:
John D. Bambara, Dennis A. Knaus
Patented Case
View Patent ↗
Granted: May 2, 1978
Filed: Oct 24, 1975
Inventors
John D. Bambara
Dennis A. Knaus
Assignee (at issue)
Packaging Industries Group, Inc.
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.