Granted Patent
Utility
US 5,848,993 · App. 08/906,646
Bulb syringe providing for visual observation of contents thereof and for enhanced deflation/inflation control
Inventors:
Benito L. Tanhehco, Steven Saad, Brian J. Donahue, Brian J. Mitchell
Patented Case
View Patent ↗
Granted: Dec 15, 1998
Filed: Aug 7, 1997
Inventors
Benito L. Tanhehco
Steven Saad
Brian J. Donahue
Brian J. Mitchell
Assignee (at issue)
DeRoyal Industries, 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.