Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664810 | Method of locating the position of linear objects | — | 2017-05-30 |
| 7282920 | System and method for locating underground utilities carrying passive signals | — | 2007-10-16 |
| 7151376 | Bore location system | — | 2006-12-19 |
| 7088105 | System and method for locating underground utilities carrying passive signals | — | 2006-08-08 |
| 7078905 | Bore location system | — | 2006-07-18 |
| 6922056 | Bore location system | — | 2005-07-26 |
| 6867596 | Fault detection system | — | 2005-03-15 |
| 6854535 | Bore location system and method of calibration | — | 2005-02-15 |
| D490433 | Image reader | Yoshinobu Moriya, Mitsuaki Kanada, Kazuhiko Yamaoka | 2004-05-25 |
| 6717410 | Bore location system | — | 2004-04-06 |
| 6427784 | Bore location system having mapping capability | John T. Archambeault, David J. Gasmovic | 2002-08-06 |
| D432519 | Loudspeaker with amplifier | Kazuhiko Yamaoka, Kenji Ide, Yukitaka Naritomi, Mitsuaki Kanada | 2000-10-24 |
| 6102136 | Bore location system having mapping capability | John T. Archambeault, David J. Gasmovic | 2000-08-15 |
| 5711381 | Bore location system having mapping capability | John T. Archambeault, David J. Gasmovic | 1998-01-27 |
| 5469155 | Wireless remote boring apparatus guidance system | John T. Archambeault, David J. Gasmovic | 1995-11-21 |
| 5363926 | Device for detecting inclination of boring head of boring tool | — | 1994-11-15 |