Granted Patent
Utility
US 5,613,622 · App. 08/490,079
Tank having an inner bladder
Inventors:
Braden Surrena, Kenneth Peters
Patented Case
View Patent ↗
Granted: Mar 25, 1997
Filed: Jun 13, 1995
Inventors
Braden Surrena
Kenneth Peters
Assignee (at issue)
ISK Biosciences 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.