IP Library › Granted Patent US 4,938,910
Granted Patent Utility
US 4,938,910 · App. 07/195,358

Mandrel for production of rubber hose

Inventors: Shunji Abe, Hiromi Shigemoto
Patented Case View Patent ↗
Granted: Jul 3, 1990 Filed: May 16, 1988
Inventors
Shunji Abe
Hiromi Shigemoto
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.

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Quick Facts
Patent No.
US 4,938,910
App. No.
07/195,358
Filed
1988-05-16
Granted
1990-07-03
Kind
A