Granted Patent
Utility
US 5,536,023 · App. 08/332,484
One piece gasket for complex oil pan configuration
Inventors:
Melvin L. Surbrook, Thomas D. Gacioch
Patented Case
View Patent ↗
Granted: Jul 16, 1996
Filed: Oct 31, 1994
Inventors
Melvin L. Surbrook
Thomas D. Gacioch
Assignee (at issue)
INDIAN HEAD INDUSTRIES, 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.