IP Library › Granted Patent US 4,781,991
Granted Patent Utility
US 4,781,991 · App. 07/107,044

Production of dielectric boards

Inventors: John E. Thorpe, Gursharan S. Sarang
Patented Case View Patent ↗
Granted: Nov 1, 1988 Filed: Oct 9, 1987
Inventors
John E. Thorpe
Gursharan S. Sarang
Assignee (at issue)
Microclad Laminates Limited

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 4,781,991
App. No.
07/107,044
Filed
1987-10-09
Granted
1988-11-01
Kind
A