IP Library Granted Patent US 4,552,634
Granted Patent Utility
US 4,552,634 · App. 06/547,177

Radiation hardened lift-off correction medium and process of manufacture

Inventor: Terence E. Franey
Patented Case View Patent ↗
Granted: Nov 12, 1985 Filed: Oct 31, 1983
Inventor
Terence E. Franey
Assignee (at issue)
International Business Machines Corporation

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 4,552,634
App. No.
06/547,177
Filed
1983-10-31
Granted
1985-11-12
Kind
A