Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8392457 | System and method for forming a map database with no-outlet and circular segments | Raymond Bender, Laurence P. Lehman | 2013-03-05 |
| 6609063 | System and method for using a map database with attributed no-outlet and circular segments | Raymond Bender, Laurence P. Lehman | 2003-08-19 |