Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703928 | Probe for sampling differential electromagnetic fields | Paul R. Siglinger | 1997-12-30 |
| 5699048 | Omnidirectional passive electrical marker for underground use | — | 1997-12-16 |
| 5669779 | Method and apparatus for connecting to a circuit in a jack without interrupting the circuit | John Moss | 1997-09-23 |
| 5606592 | Method and apparatus for analyzing resistive faults on telephones cables | Paul R. Siglinger | 1997-02-25 |