Granted Patent
Utility
US 5,490,766 · App. 08/394,288
Precision small displacement fluid pump
Inventor:
Mark Zeck
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Feb 24, 1995
Inventor
Mark Zeck
Assignee (at issue)
Y-Z Industries Sales, Inc.
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.