Granted Patent
Utility
US 6,718,633 · App. 10/389,225
Process for manufacturing valve trim assemblies
Inventors:
Alan H. Glenn, Kenneth Alden Thurston
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Mar 14, 2003
Inventors
Alan H. Glenn
Kenneth Alden Thurston
Assignee (at issue)
Flowserve Management 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.