Granted Patent
Utility
US 5,379,920 · App. 08/096,466
Liquid containment system
Inventor:
Stephen P. Lisak
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: Jul 23, 1993
Inventor
Stephen P. Lisak
Assignees (at issue)
RYDER INTERNATIONAL CO., LTD.
American Sterilizer Company
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.