Granted Patent
Utility
US 4,728,265 · App. 07/017,846
Peristaltic pump with cam action compensator
Inventor:
Raymond E. Cannon
Patented Case
View Patent ↗
Granted: Mar 1, 1988
Filed: Feb 24, 1987
Inventor
Raymond E. Cannon
Assignee (at issue)
Fisher Scientific Company, L.L.C.
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.