IP Library › Granted Patent US 5,154,890
Granted Patent Utility
US 5,154,890 · App. 07/610,289

Fiber optic potassium ion sensor

Inventors: Ganapati Mauze, Lothar Rupp
Patented Case View Patent ↗
Granted: Oct 13, 1992 Filed: Nov 7, 1990
Inventors
Ganapati Mauze
Lothar Rupp
Assignee (at issue)
Hewlett-Packard Company, L.P.

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 5,154,890
App. No.
07/610,289
Filed
1990-11-07
Granted
1992-10-13
Kind
A