Granted Patent
Utility
US 5,018,395 · App. 07/477,233
Gas sampling device with improved mixed flow fan
Inventors:
Richard M. Hickox, William P. Spohn, David J. D'Amico
Patented Case
View Patent ↗
Granted: May 28, 1991
Filed: Feb 8, 1990
Inventors
Richard M. Hickox
William P. Spohn
David J. D'Amico
Assignee (at issue)
BACHARACH, 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.