Granted Patent
Utility
US 6,015,152 · App. 08/998,595
Seal retainer having an indicator
Inventors:
Jeffrey E. Swensen, Terence J. Nolan, J. Loyd Spence, Edward P. Rhyne
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: Dec 29, 1997
Inventors
Jeffrey E. Swensen
Terence J. Nolan
J. Loyd Spence
Edward P. Rhyne
Assignee (at issue)
EG&G Pressure Science, 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.