IP Library Granted Patent US 5,693,390
Granted Patent Utility
US 5,693,390 · App. 08/716,429

Surface-coated vessel and process for producing same

Inventors: Hajime Inagaki, Koji Yoshii
Patented Case View Patent ↗
Granted: Dec 2, 1997 Filed: Sep 20, 1996
Inventors
Hajime Inagaki
Koji Yoshii
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,693,390
App. No.
08/716,429
Filed
1996-09-20
Granted
1997-12-02
Kind
A