DF

Douglas G. Fent

AT AT&T: 2 patents #156 of 1,435Top 15%
📍 San Mateo, CA: #11 of 120 inventorsTop 10%
🗺 California: #1,869 of 17,285 inventorsTop 15%
Overall (1997): #42,050 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5703471 Battery protection circuitry for limiting charging parameters of a battery plant Norma K. Bullock 1997-12-30
5623195 Apparatus and method for controlling a charging voltage of a battery based on battery temperature Norma K. Bullock, Trung Van Nguyen 1997-04-22