Granted Patent
Utility
US 4,805,799 · App. 07/163,900
Container with unitary bladder
Inventor:
Edward S. Robbins, III
Patented Case
View Patent ↗
Granted: Feb 21, 1989
Filed: Mar 4, 1988
Inventor
Edward S. Robbins, III
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.