EZ

Elmar Zeising

DU Duracell: 5 patents #24 of 239Top 15%
Overall (All Time): #763,813 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5796239 Battery pack having a processor controlled battery operating system Duong van Phuoc, Rudi Wieczorek, Louis W. Hruska, Alwyn H. Taylor, Daniel D. Friel, Sr. +1 more 1998-08-18
5789899 Smart battery system with an A/D converter that converts both positive and negative analog input signals Duong van Phuoc, Rudi Wieczorek, Louis W. Hruska, Alwyn H. Taylor, Daniel D. Friel, Sr. +1 more 1998-08-04
5710501 Battery pack having a processor controlled battery operating system Duong van Phuoc, Rudi Wieczorek, Louis W. Hruska, Alwyn H. Taylor, Daniel D. Friel, Sr. +1 more 1998-01-20
5691621 Battery pack having a processor controlled battery operating system Duong Var Phuoc, Rudi Wieczorek, Louis W. Hruska, Alwyn H. Taylor, Daniel D. Friel, Sr. +1 more 1997-11-25
5652502 Battery pack having a processor controlled battery operating system Duong van Phuoc, Rudi Wieczorek, Louis W. Hruska, Alwyn H. Taylor, Daniel D. Friel, Sr. +1 more 1997-07-29
5646508 Battery pack having a processor controlled battery operating system Duong van Phuoc, Rudi Wieczorek, Louis W. Hruska, Alwyn H. Taylor, Daniel D. Friel, Sr. +1 more 1997-07-08
5633573 Battery pack having a processor controlled battery operating system Duong van Phuoc, Rudi Wieczorek, Louis W. Hruska, Matthew P. Hull, Alwyn H. Taylor +1 more 1997-05-27