Granted Patent
Utility
US 5,689,111 · App. 08/689,459
Ion storage time-of-flight mass spectrometer
Inventors:
Thomas Dresch, Erol Gulcicek, Craig M. Whitehouse
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Aug 9, 1996
Inventors
Thomas Dresch
Erol Gulcicek
Craig M. Whitehouse
Assignee (at issue)
Analytica of Branford, 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.