Granted Patent
Utility
US 6,530,898 · App. 09/552,913
Visual inflation pressure indicator and surgical tube including the indicator
Inventors:
Shekhar D. Nimkar, E. David Fink, David S. Sheridan
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Apr 20, 2000
Inventors
Shekhar D. Nimkar
E. David Fink
David S. Sheridan
Assignee (at issue)
Tyco Healthcare Group LP
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.