Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6048599 | Susceptor composite material patterned in neat polymer | Kwang-Ho Chu, Richard L. Miklos | 2000-04-11 |
| 5767816 | Ferrite core marker | — | 1998-06-16 |
| 5530357 | Sonde with replaceable electronics and a rotatable, tubular inner shell wherein a battery is located | Larry R. Cox | 1996-06-25 |
| 5116654 | Self-dispensing spaced electronic markers | Gary H. Knippelmier, Joe T. Minarovic | 1992-05-26 |
| 5045368 | Self-dispensing spaced electronic markers | Joe T. Minarovic, David C. Worboys | 1991-09-03 |
| 5017415 | Self-dispensing spaced electronic markers | Gary H. Knippelmier, Joe T. Minarovic | 1991-05-21 |
| 4866388 | System and method with passive resonant circuit markers for locating buried electrical conductors | Joe T. Minarovic | 1989-09-12 |
| 4767237 | Marking tape with wire conductors and methods for use | Joe T. Minarovic | 1988-08-30 |
| 4761656 | Passive marker device | Larry R. Cox | 1988-08-02 |