Granted Patent
Utility
US 4,868,025 · App. 07/090,767
Cushioned bag and apparatus and method of making a cushioned bag
Inventor:
William B. Strzelewicz
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Aug 28, 1987
Inventor
William B. Strzelewicz
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.