Granted Patent
Utility
US 6,570,152 · App. 09/594,022
Time of flight mass spectrometer with selectable drift length
Inventor:
John Brian Hoyes
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Jun 15, 2000
Inventor
John Brian Hoyes
Assignee (at issue)
Micromass Limited
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.