Granted Patent
Utility
US 5,200,151 · App. 07/526,310
Fluid dispensing system having a pipette assembly with preset tip locator
Inventor:
Ernest Long
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: May 21, 1990
Inventor
Ernest Long
Assignee (at issue)
PB Diagnostic Systems, 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.