Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640168 | Ultra wide-band radar antenna for concrete penetration | James C. Long, Noel H. C. Marshall | 1997-06-17 |
| 5619128 | Stud sensor with over-stud miscalibration via circuit which stores an initial calibration density, compares that to a current test density and outputs result via indicator | — | 1997-04-08 |
| 5592745 | Electronic level displaying inclination with regard to instrument length | Gary R. Schultheis | 1997-01-14 |
| 5594669 | Electronic fence post level | — | 1997-01-14 |