Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783390 | Apparatus for preventing reverse polarity contact between a standard dry cell battery terminal and a battery compartment contact | Thomas E. Berg | 2004-08-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783390 | Apparatus for preventing reverse polarity contact between a standard dry cell battery terminal and a battery compartment contact | Thomas E. Berg | 2004-08-31 |