IP Library › Granted Patent US 5,341,128
Granted Patent Utility
US 5,341,128 · App. 07/866,725

Sensor element for detection of hydrocarbons

Inventors: Paul Keyser, George R. Watchko
Patented Case View Patent ↗
Granted: Aug 23, 1994 Filed: Apr 10, 1992
Inventors
Paul Keyser
George R. Watchko
Assignee (at issue)
Chomerics, Inc.

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 5,341,128
App. No.
07/866,725
Filed
1992-04-10
Granted
1994-08-23
Kind
A