Granted Patent
Utility
US 5,408,708 · App. 08/172,382
Flow-control for a pump
Inventor:
Cleo D. Mathis
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Dec 23, 1993
Inventor
Cleo D. Mathis
Assignee (at issue)
Vico Products Mfg., Co.
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.