IP Library › Granted Patent US 5,018,568
Granted Patent Utility
US 5,018,568 · App. 07/306,245

Lost foam engine block pattern

Inventor: Russell J. VanRens
Patented Case View Patent ↗
Granted: May 28, 1991 Filed: Feb 2, 1989
Inventor
Russell J. VanRens
Assignee (at issue)
Outboard Marine Corporation

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Quick Facts
Patent No.
US 5,018,568
App. No.
07/306,245
Filed
1989-02-02
Granted
1991-05-28
Kind
A