IP Library › Granted Patent US 5,347,215
Granted Patent Utility
US 5,347,215 · App. 07/900,631

Semiconductor chip test jig

Inventors: Ross L. Armstrong, George A. Meiklejohn
Patented Case View Patent ↗
Granted: Sep 13, 1994 Filed: Jun 18, 1992
Inventors
Ross L. Armstrong
George A. Meiklejohn
Assignee (at issue)
Digital Equipment International, Ltd.

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 5,347,215
App. No.
07/900,631
Filed
1992-06-18
Granted
1994-09-13
Kind
A