IP Library › Granted Patent US 4,942,917
Granted Patent Utility
US 4,942,917 · App. 07/378,317

Expendable casting core for a cylinder

Inventors: Byron W. Koch, Robert I. Badenhope
Patented Case View Patent ↗
Granted: Jul 24, 1990 Filed: Jul 11, 1989
Inventors
Byron W. Koch
Robert I. Badenhope
Assignee (at issue)
Farley, Inc.

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Quick Facts
Patent No.
US 4,942,917
App. No.
07/378,317
Filed
1989-07-11
Granted
1990-07-24
Kind
A