GC

George E. Callahan

📍 Puchheim, DE: #4 of 25 inventorsTop 20%
Overall (1982): #14,009 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4353253 Device for measuring the density of fluids 1982-10-12
4338817 Hydrometer with improved temperature compensation 1982-07-13