Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8237459 | Method of testing ground resistance by making use of existing telephone lines | Ewan G. Browne, Paul R. Siglinger, William C. Wood, Edwin Glenn Yancey | 2012-08-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8237459 | Method of testing ground resistance by making use of existing telephone lines | Ewan G. Browne, Paul R. Siglinger, William C. Wood, Edwin Glenn Yancey | 2012-08-07 |