Granted Patent
Utility
US 6,464,759 · App. 09/702,636
Hydrogen diffusion cell assembly and its method of manufacture
Inventors:
Peter R. Bossard, Paul D. Bossard
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Nov 1, 2000
Inventors
Peter R. Bossard
Paul D. Bossard
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.