Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5796239 | Battery pack having a processor controlled battery operating system | Duong van Phuoc, Elmar Zeising, 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, Elmar Zeising, Louis W. Hruska, Alwyn H. Taylor, Daniel D. Friel, Sr. +1 more | 1998-08-04 |
| 5773956 | Method for charging a rechargeable battery | — | 1998-06-30 |
| 5710501 | Battery pack having a processor controlled battery operating system | Duong van Phuoc, Elmar Zeising, 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, Elmar Zeising, 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, Elmar Zeising, 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, Elmar Zeising, 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, Elmar Zeising, Louis W. Hruska, Matthew P. Hull, Alwyn H. Taylor +1 more | 1997-05-27 |
| 5557076 | Cordless position detection apparatus | Dietrich Hahn, Josef Rohrmulle | 1996-09-17 |