Granted Patent
Utility
US 4,221,124 · App. 05/928,402
Bladder leak and rupture detector
Inventor:
Thomas C. Jones
Patented Case
View Patent ↗
Granted: Sep 9, 1980
Filed: Jul 27, 1978
Inventor
Thomas C. Jones
Assignee (at issue)
NRM 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.