Granted Patent
Utility
US 6,200,086 · App. 09/366,968
Thermal barrier for use in a mechanical seal assembly
Inventor:
Michael O'Shea
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Aug 4, 1999
Inventor
Michael O'Shea
Assignee (at issue)
Sundyne, LLC
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.