IP Library › Granted Patent US 5,156,789
Granted Patent Utility
US 5,156,789 · App. 07/432,834

Method of preparing a heat shrinkable, elastic, glueable polyethylene and ethylene vinyl acetate film

Inventors: Everson Amaral, Ralf Korpman
Patented Case View Patent ↗
Granted: Oct 20, 1992 Filed: Nov 7, 1989
Inventors
Everson Amaral
Ralf Korpman
Assignee (at issue)
Chicopee

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 5,156,789
App. No.
07/432,834
Filed
1989-11-07
Granted
1992-10-20
Kind
A