Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5704583 | Range pole data collector holder | Charles Putland, Peter Langlotz | 1998-01-06 |
| D386152 | Hand-held survey data collector | — | 1997-11-11 |
| D385564 | Housing for an automatic GPS receiver | Anthony W. Serksnis, Michael Detro | 1997-10-28 |