Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8583405 | Contingency analysis information for utility service network | Maggie Chow, Mark Mastrocinque, Roger N. Anderson, Albert Boulanger, Philip S. Gross | 2013-11-12 |
| 7506452 | Surveying systems and methods for detecting and measuring changes in elevation | Robert W. Vanneman | 2009-03-24 |
| 7373725 | Surveying systems and methods for detecting and measuring changes in elevation | Robert W. Vanneman | 2008-05-20 |
| 7266897 | Self-aligning, self plumbing baseline instrument | Timothy A. Treichler, Robert W. Vanneman | 2007-09-11 |