Granted Patent
Utility
US 5,170,053 · App. 07/814,063
Electrospray ion source and interface apparatus and method
Inventors:
Mark E. Hail, Iain C. Mylchreest
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Dec 20, 1991
Inventors
Mark E. Hail
Iain C. Mylchreest
Assignee (at issue)
Finnigan Corporation
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.