Granted Patent
Utility
US 5,207,655 · App. 07/700,411
Medico-surgical tube including improved means for administering liquid or gas treatment
Inventor:
David S. Sheridan
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: May 15, 1991
Inventor
David S. Sheridan
Assignee (at issue)
Sheridan Catheter Corp.
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.