Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602455 | Portable battery charger with integrally attached output cable | Charles S. Stephens, David A. Williams, Tuan Tran, Masahiko Muranami, Terry G. Bradley +1 more | 1997-02-11 |
| 5322139 | Loose crown underreamer apparatus | James Rose | 1994-06-21 |