Granted Patent
Utility
US 5,011,021 · App. 07/476,304
Easy unpacking deep container
Inventors:
Jack D. Coltrane, Joseph Kushner, IV
Patented Case
View Patent ↗
Granted: Apr 30, 1991
Filed: Feb 7, 1990
Inventors
Jack D. Coltrane
Joseph Kushner, IV
Assignee (at issue)
Burlington Industries LLC
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.