Granted Patent
Utility
US 6,015,153 · App. 09/304,688
Labyrinth sealing device and method of assembly
Inventor:
Kenneth J. Sharrer
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: May 4, 1999
Inventor
Kenneth J. Sharrer
Assignee (at issue)
Garlock, 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.