HF

H. Bruce Freeman

📍 Calgary, CA: #1,801 of 5,407 inventorsTop 35%
Overall (All Time): #2,284,885 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5392661 Hydrogen monitoring apparatus 1995-02-28
5279169 Hydrogen monitoring apparatus 1994-01-18