Granted Patent
Utility
US 5,449,033 · App. 08/235,682
Cylinder head pattern assembly
Inventor:
Timothy J. Van Ackeren
Patented Case
View Patent ↗
Granted: Sep 12, 1995
Filed: Apr 29, 1994
Inventor
Timothy J. Van Ackeren
Assignee (at issue)
Outboard Marine Corporation
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.