IP Library › Granted Patent US 4,852,131
Granted Patent Utility
US 4,852,131 · App. 07/193,439

Computed tomography inspection of electronic devices

Inventor: Robert Ashby Armistead, III
Patented Case View Patent ↗
Granted: Jul 25, 1989 Filed: May 13, 1988
Inventor
Robert Ashby Armistead, III
Assignee (at issue)
Advanced Research and Applications 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 4,852,131
App. No.
07/193,439
Filed
1988-05-13
Granted
1989-07-25
Kind
A