IP Library › Granted Patent US 5,897,435
Granted Patent Utility
US 5,897,435 · App. 08/755,464

Air vent device

Inventors: Allen C. Thomas, Warren Chandler
Patented Case View Patent ↗
Granted: Apr 27, 1999 Filed: Nov 22, 1996
Inventors
Allen C. Thomas
Warren Chandler

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.

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Quick Facts
Patent No.
US 5,897,435
App. No.
08/755,464
Filed
1996-11-22
Granted
1999-04-27
Kind
A