Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9678364 | Method and apparatus for forming sunglass lenses with a predetermined gradient | Giorgio Trapani | 2017-06-13 |
| 9372353 | Method and apparatus for forming sunglass lenses with a predetermined gradient | Giorgio Trapani | 2016-06-21 |
| 9128302 | Method and apparatus for making polarized sunglasses | Giorgio Trapani | 2015-09-08 |
| 8380224 | Location based information system | — | 2013-02-19 |
| 8172393 | Method and apparatus for viewing polarized displays | — | 2012-05-08 |
| 8060117 | Location based information system | — | 2011-11-15 |
| 7844282 | Location based information system | — | 2010-11-30 |
| 7447508 | Location based information system | — | 2008-11-04 |
| 7374282 | Method and apparatus for viewing polarized displays | — | 2008-05-20 |
| 7305243 | Location based information system | — | 2007-12-04 |
| 7164921 | Auxiliary switch activated GPS-equipped wireless phone | Dean P. Owens | 2007-01-16 |
| 7050818 | Location based service request system | — | 2006-05-23 |
| 6778820 | Method and apparatus for assuring that a telephone wager is placed within the wagering jurisdiction | — | 2004-08-17 |
| 6519463 | Location based service request system | — | 2003-02-11 |
| 6516198 | System for location reporting | — | 2003-02-04 |
| 6014555 | System for providing the telephone number of a telephone making an emergency call | — | 2000-01-11 |
| 5736962 | Time since last fix annunciation system for GPS-based wireless rescue system | — | 1998-04-07 |
| 5649059 | Alpha-numeric verbal scroll technique for use in an emergency location system | Donald Korte | 1997-07-15 |
| 5598460 | Emergency back-up system for enhancing reliability or rescue | — | 1997-01-28 |
| 5555286 | Cellular phone based automatic emergency vessel/vehicle location system | — | 1996-09-10 |
| 5231699 | Dual watch radio system | — | 1993-07-27 |
| 5187978 | Knotmeter impeller eliminator system | — | 1993-02-23 |
| 5163158 | Modular communications system including a portable unit range extender and selective-call system | Frank P. Karkota, Jr. | 1992-11-10 |
| 5073972 | Modular communications system including a portable unit range extender and selective-call system | Frank P. Karkota, Jr. | 1991-12-17 |
| 4937796 | Vehicle backing aid | — | 1990-06-26 |