Granted Patent
Utility
US 4,961,891 · App. 07/436,797
Method of making high compressibility gasket material
Inventor:
Stefan Pitolaj
Patented Case
View Patent ↗
Granted: Oct 9, 1990
Filed: Nov 15, 1989
Inventor
Stefan Pitolaj
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.