IP Library › Granted Patent US 5,503,036
Granted Patent Utility
US 5,503,036 · App. 08/239,625

Obstruction detection circuit for sample probe

Inventors: DINH KHUE NGUYEN, Frank Jay Robb
Patented Case View Patent ↗
Granted: Apr 2, 1996 Filed: May 9, 1994
Inventors
DINH KHUE NGUYEN
Frank Jay Robb
Assignee (at issue)
Ciba Corning Diagnostics 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 5,503,036
App. No.
08/239,625
Filed
1994-05-09
Granted
1996-04-02
Kind
A