Granted Patent
Utility
US 5,524,906 · App. 08/276,297
Gasket for exhaust system joint
Inventors:
John Rackov, Ingjiun D. Chang
Patented Case
View Patent ↗
Granted: Jun 11, 1996
Filed: Jul 18, 1994
Inventors
John Rackov
Ingjiun D. Chang
Assignee (at issue)
Mascotech Tubular Products, 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.