| D669805 |
Illuminated signaling device |
Troy Edwards, Kenneth S. Dueker, Paul M. Hagelin |
2012-10-30 |
| D560533 |
Illuminated signaling device |
Kenneth S. Dueker, Paul M. Hagelin, Troy Edwards |
2008-01-29 |
| 7106179 |
Deployment system for ruggedized illuminating, marking, or signaling device |
Kenneth S. Dueker, Paul M. Hagelin, Troy Edwards |
2006-09-12 |
| 7088222 |
Ruggedized illuminating, marking, or signaling device and system |
Kenneth S. Dueker, Paul M. Hagelin, Troy Edwards |
2006-08-08 |
| D515958 |
Illuminated signaling device |
Kenneth S. Dueker, Paul M. Hagelin, Troy Edwards |
2006-02-28 |
| D515957 |
Illuminated signaling device |
Kenneth S. Dueker, Paul M. Hagelin, Troy Edwards |
2006-02-28 |
| D510885 |
Illuminated signaling device |
Kenneth S. Dueker, Paul M. Hagelin, Troy Edwards |
2005-10-25 |
| D510289 |
Illuminated signaling device |
Kenneth S. Dueker, Paul M. Hagelin, Troy Edwards |
2005-10-04 |
| 5773971 |
Three electrode AC detection |
— |
1998-06-30 |
| 5745062 |
Pulse width modulation analog to digital converter |
— |
1998-04-28 |
| 5729143 |
Metal detector with nulling of imbalance |
Paul W. Dodd |
1998-03-17 |
| 5043666 |
Self-calibrating electromagnetic field sensor for locating buried conduits |
Paul W. Dodd |
1991-08-27 |
| 4868668 |
System and method for image adjustment in an optical projection system |
— |
1989-09-19 |