IP Library Granted Patent US 4,092,589
Granted Patent Utility
US 4,092,589 · App. 05/780,382

High-speed testing circuit

Inventors: Yuk Bun Chau, George Niu, Rudolph Staffelbach
Patented Case View Patent ↗
Granted: May 30, 1978 Filed: Mar 23, 1977
Inventors
Yuk Bun Chau
George Niu
Rudolph Staffelbach
Assignee (at issue)
Fairchild Camera & Instrument Corp.

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 4,092,589
App. No.
05/780,382
Filed
1977-03-23
Granted
1978-05-30
Kind
A