Granted Patent
Utility
US 5,773,723 · App. 08/535,986
Flow tube liner
Inventors:
Peter B. Lewis, Richard A. Bertone, Richard W. Kalinoski, Michael Sheridan
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Sep 29, 1995
Inventors
Peter B. Lewis
Richard A. Bertone
Richard W. Kalinoski
Michael Sheridan
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.