IP Library › Granted Patent US 5,517,985
Granted Patent Utility
US 5,517,985 · App. 08/333,513

Carbon dioxide detector and shield

Inventors: Gilbert M. Kirk, James Dale Bickley
Patented Case View Patent ↗
Granted: May 21, 1996 Filed: Nov 2, 1994
Inventors
Gilbert M. Kirk
James Dale Bickley

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 5,517,985
App. No.
08/333,513
Filed
1994-11-02
Granted
1996-05-21
Kind
A