Granted Patent
Utility
US 6,007,777 · App. 09/072,943
Liquid sample carbon analyzer
Inventors:
Michael W. Purcell, Sheng Yang, John Martin, Richard R. Reckner, Jeffrey Harris
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: May 5, 1998
Inventors
Michael W. Purcell
Sheng Yang
John Martin
Richard R. Reckner
Jeffrey Harris
Assignee (at issue)
Tekmar Company
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.