| 11693629 |
Hyperpiler |
— |
2023-07-04 |
| 11409521 |
Hyperpiler |
— |
2022-08-09 |
| 10942709 |
Hyperpiler |
— |
2021-03-09 |
| 10853062 |
Hyperpiler |
— |
2020-12-01 |
| 7930391 |
Method and system for determining viewing time of an online video |
— |
2011-04-19 |
| 7198106 |
Method for enhancing gas well secondary recovery operations |
John Hayhurst |
2007-04-03 |
| 6832653 |
Method for enhancing gas well secondary recovery operations |
John Hayhurst |
2004-12-21 |
| 6795019 |
Method and system for calibrating wireless location systems |
— |
2004-09-21 |
| 6677895 |
System and method for determining the location of a transmitting mobile unit |
— |
2004-01-13 |
| 6622790 |
Method for enhancing gas well secondary recovery operations |
John Hayhurst |
2003-09-23 |
| 6608593 |
System and method for determining the location of a transmitter using passive reflectors or refractors as proxy receivers |
— |
2003-08-19 |
| 6580393 |
System and method for determining the location of a transmitter using passive reflectors or refractors as proxy receivers and using database querying |
— |
2003-06-17 |
| 6522296 |
Method and system for calibrating wireless location systems |
— |
2003-02-18 |
| 6504515 |
High capacity broadband cellular/PCS base station using a phased array antenna |
Robert C. Hildebrand, Julian Bartow Willingham |
2003-01-07 |
| 6324392 |
Emergency locator and communicator |
— |
2001-11-27 |
| 6226531 |
High capacity broadband cellular/PCS base station using a phased array antenna |
Robert C. Hildebrand, Julian Bartow Willingham |
2001-05-01 |
| 6067017 |
Emergency location system and method |
Arthur L. Stewart |
2000-05-23 |
| 5870029 |
Remote mobile monitoring and communication system |
James C. Otto, Arthur L. Stewart |
1999-02-09 |