Granted Patent
Utility
US 5,900,270 · App. 08/934,977
Technique for testing and coating a microporous membrane
Inventors:
Hubert S. Smith, III, Tom Clark, Laura McBurney
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Sep 22, 1997
Inventors
Hubert S. Smith, III
Tom Clark
Laura McBurney
Assignee (at issue)
Cobe Laboratories, Inc.
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.