Granted Patent
Utility
US 5,533,737 · App. 08/327,169
Seals with particle exclusion means
Inventor:
Richard Borowski
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: Oct 21, 1994
Inventor
Richard Borowski
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.