Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7714567 | Power cable magnetic field sensor | — | 2010-05-11 |
| 7671576 | Ratiometric AC wire tracer | Richard Meech Halliday | 2010-03-02 |
| 7318344 | Wireless swimming pool water level system | — | 2008-01-15 |
| 7181853 | Modular laser layout system | Norman L. Krantz, Lawrence F. Miller, Charles J. Stauss | 2007-02-27 |
| 6989662 | Sensor auto-recalibration | Lawrence F. Miller | 2006-01-24 |
| 6922063 | Apparatus and method for capacitive level sensor | — | 2005-07-26 |
| 6568264 | Wireless swimming pool water level system | — | 2003-05-27 |
| 6198271 | Electronic wall-stud sensor display | Paul W. Dodd | 2001-03-06 |
| 6100839 | Enhanced impulse radar system | William M. Sunlin | 2000-08-08 |
| 6023159 | Stud sensor with dual sensitivity | — | 2000-02-08 |
| 5956260 | Electronic level displaying inclination having digital and analog displays | Paul W. Dodd | 1999-09-21 |
| 5917314 | Electronic wall-stud sensor with three capacitive elements | Paul W. Dodd | 1999-06-29 |
| 5905455 | Dual transmitter visual display system | James C. Long, Noel H. C. Marshall, Paul W. Dodd | 1999-05-18 |
| 5900833 | Imaging radar suitable for material penetration | William M. Sunlin | 1999-05-04 |
| 5896102 | Swept range gate radar system for detection of nearby objects | — | 1999-04-20 |
| 5854603 | Ultra-wideband swept range gate radar system with variable transmitter delay | — | 1998-12-29 |
| 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 |
| 5594669 | Electronic fence post level | — | 1997-01-14 |
| 5592745 | Electronic level displaying inclination with regard to instrument length | Gary R. Schultheis | 1997-01-14 |
| 5543799 | Swept range gate radar system for detection of nearby objects | — | 1996-08-06 |
| 5541605 | Swept range gate short range radar system | — | 1996-07-30 |
| 5488779 | Electronic level with stereo sound indication | Gary R. Schultheis | 1996-02-06 |
| 5479715 | Electronic level displaying inclination using a multi-segment fan-like display | Gary R. Schultheis | 1996-01-02 |
| 5352974 | Stud sensor with digital averager and dual sensitivity | — | 1994-10-04 |