Granted Patent
Utility
US 5,279,972 · App. 07/827,190
Process for analyzing samples for ion analysis
Inventors:
Allan L. Heckenberg, Peter P. Jandik, William R. Jones, Robert Gordon Lawrence
Patented Case
View Patent ↗
Granted: Jan 18, 1994
Filed: Jan 28, 1992
Inventors
Allan L. Heckenberg
Peter P. Jandik
William R. Jones
Robert Gordon Lawrence
Assignee (at issue)
Millipore 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.