Granted Patent
Utility
US 5,524,905 · App. 08/314,022
Sealing assembly with T-shaped seal ring and anti-extrusion rings
Inventors:
Richard Thoman, Vinay K. Nilkanth
Patented Case
View Patent ↗
Granted: Jun 11, 1996
Filed: Sep 28, 1994
Inventors
Richard Thoman
Vinay K. Nilkanth
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.