Granted Patent
Utility
US 5,939,620 · App. 09/066,517
Leak detecting device for detecting a leak in a container
Inventor:
Edward J. Strand
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Apr 24, 1998
Inventor
Edward J. Strand
Assignee (at issue)
Crown Cork & Seal Technologies Corporation
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.