IP Library › Granted Patent US 5,143,676
Granted Patent Utility
US 5,143,676 · App. 07/617,136

Process for production of a film including a silicone layer

Inventors: Josef Muller, Alfred Neudecker
Patented Case View Patent ↗
Granted: Sep 1, 1992 Filed: Nov 23, 1990
Inventors
Josef Muller
Alfred Neudecker

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 5,143,676
App. No.
07/617,136
Filed
1990-11-23
Granted
1992-09-01
Kind
A