Granted Patent
Utility
US 5,250,027 · App. 07/774,014
Peristaltic infusion device with backpack sensor
Inventors:
Thomas G. Lewis, Denis Y. Yerlikaya, Eugene Schrader
Patented Case
View Patent ↗
Granted: Oct 5, 1993
Filed: Oct 8, 1991
Inventors
Thomas G. Lewis
Denis Y. Yerlikaya
Eugene Schrader
Assignee (at issue)
Sherwood Medical Company
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.