Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7283905 | System and method for estimating impedance time through a road network | Michael Childs | 2007-10-16 |
| 7277794 | Guidance with feature accounting for insignificant roads | Michael Childs | 2007-10-02 |
| 7269508 | Guidance with feature accounting for insignificant roads | Michael Childs | 2007-09-11 |
| 7206692 | System and method for estimating impedance time through a road network | Michael Childs | 2007-04-17 |
| 6980906 | Systems and methods for a navigational device with forced layer switching based on memory constraints | Min H. Kao, Michael Childs | 2005-12-27 |
| 6975940 | Systems, functional data, and methods for generating a route | Michael Childs | 2005-12-13 |
| 6909965 | System and method for creating and organizing node records for a cartographic data map | Michael Childs | 2005-06-21 |
| 6898520 | Systems and methods for a navigational device with forced layer switching based on memory constraints | Min H. Kao, Michael Childs | 2005-05-24 |
| 6856900 | Systems, functional data, and methods for generating a route | Michael Childs | 2005-02-15 |
| 6856893 | System and method for estimating impedance time through a road network | Michael Childs | 2005-02-15 |
| 6847890 | Guidance with feature accounting for insignificant roads | Michael Childs | 2005-01-25 |
| 6839624 | System and method for compressing data | Stephen C. Robinson, Michael Childs, Chunyen Liu | 2005-01-04 |
| 6834230 | Guidance with feature accounting for insignificant roads | Michael Childs | 2004-12-21 |
| 6799115 | Systems, functional data, and methods to pack n-dimensional data in a PDA | Michael Childs | 2004-09-28 |
| 6789012 | PDA systems, functional data, and methods for generating a route | Michael Childs | 2004-09-07 |
| 6782318 | System and method for compressing data in a PDA | Stephen C. Robinson, Michael Childs, Chunyen Liu | 2004-08-24 |
| 6775612 | Navigation PDA and method with optimal antenna placement | Min H. Kao, Michael Childs | 2004-08-10 |
| 6708112 | System and method for calculating a navigation route based on adjacent cartographic map databases | Michael Childs | 2004-03-16 |
| 6704645 | System and method for estimating impedance time through a road network | Michael Childs | 2004-03-09 |
| 6694256 | Systems and methods for a PDA with forced layer switching based on memory constraints | Michael Childs | 2004-02-17 |
| 6675093 | Systems, functional data, and methods for generating a route | Michael Childs | 2004-01-06 |
| 6650996 | System and method for compressing data | Stephen C. Robinson, Michael Childs, Chunyen Liu | 2003-11-18 |
| 6581003 | Systems and methods for a navigational device with forced layer switching based on memory constraints | Michael Childs | 2003-06-17 |
| 6574554 | System and method for calculating a navigation route based on non-contiguous cartographic map databases | Michael Childs | 2003-06-03 |
| 6574553 | System and method for calculating a navigation route based on adjacent cartographic map databases | Michael Childs | 2003-06-03 |