Granted Patent
Utility
US 6,652,732 · App. 09/909,253
Fan flow sensor for proton exchange membrane electrolysis cell
Inventors:
Lawrence Moulthrop, Ricky Scott, Charles McCollough, Richard Dubey, A. John Speranza
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Jul 19, 2001
Inventors
Lawrence Moulthrop
Ricky Scott
Charles McCollough
Richard Dubey
A. John Speranza
Assignee (at issue)
PROTON ENERGY SYSTEMS, 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.