IP Library Granted Patent US 5,672,887
Granted Patent Utility
US 5,672,887 · App. 08/704,103

Optical detector for air in fluid line the same

Inventors: Benjamin G. Shaw, Tony Lillios
Patented Case View Patent ↗
Granted: Sep 30, 1997 Filed: Aug 28, 1996
Inventors
Benjamin G. Shaw
Tony Lillios

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 5,672,887
App. No.
08/704,103
Filed
1996-08-28
Granted
1997-09-30
Kind
A