Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D496599 | Wire tracer receiver | Charles R. Shambaugh | 2004-09-28 |
| D493113 | Wire tracer | Charles R. Shambaugh | 2004-07-20 |
| D491085 | Wire tracer transmitter | Charles R. Shambaugh | 2004-06-08 |