John R. Hallenbeck

📍 Tucson, AZ: #2,413 of 6,004 inventorsTop 45%

🗺 Arizona: #13,050 of 32,909 inventorsTop 40%

Overall (All Time): #2,104,435 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
7909968	Apparatus and method for the electrolysis of water	—	2011-03-22
7762218	Internal combustion engine using combustible gases produced by the electrolysis of water, and vehicle comprising same	—	2010-07-27