Granted Patent
Utility
US 5,393,975 · App. 07/945,993
Electrospray ion source and interface apparatus and method
Inventors:
Mark E. Hail, Iain C. Mylchreest
Patented Case
View Patent ↗
Granted: Feb 28, 1995
Filed: Sep 15, 1992
Inventors
Mark E. Hail
Iain C. Mylchreest
Assignees (at issue)
Finnigan Corporation
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.