Granted Patent
Utility
US 5,879,010 · App. 08/898,539
Seal assembly with mechanically joined anti-extrusion rings
Inventors:
Vinay K. Nilkanth, Paul E. Roberts, Saul Guevara, Romel R. Ner
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Jul 22, 1997
Inventors
Vinay K. Nilkanth
Paul E. Roberts
Saul Guevara
Romel R. Ner
Assignee (at issue)
Greene, Tweed of Delaware, 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.