Granted Patent
Utility
US 5,127,908 · App. 07/719,220
Peristaltic infusion device
Inventors:
Clarence L. Walker, Richard A. Sunderland, Mark A. Davis
Patented Case
View Patent ↗
Granted: Jul 7, 1992
Filed: Jun 21, 1991
Inventors
Clarence L. Walker
Richard A. Sunderland
Mark A. Davis
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.