IP Library › Granted Patent US 4,963,426
Granted Patent Utility
US 4,963,426 · App. 07/316,763

Heat-shrinkable laminated film

Inventors: Yoshiharu Nishimoto, Kengo Yamazaki
Patented Case View Patent ↗
Granted: Oct 16, 1990 Filed: Feb 28, 1989
Inventors
Yoshiharu Nishimoto
Kengo Yamazaki
Assignee (at issue)
Kureha Kagaku Kogyo Kabushiki Kaisha

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 4,963,426
App. No.
07/316,763
Filed
1989-02-28
Granted
1990-10-16
Kind
A