Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11184464 | System, method, apparatus, and program for light tower control | Sunil Gupta, Matthew Gavin | 2021-11-23 |
| 10555403 | System, method, apparatus, and program for light tower control | Sunil Gupta, Matthew Gavin | 2020-02-04 |
| D719856 | Marking device | Marshall V. C. Dressel | 2014-12-23 |
| 8561312 | Receptacle having integrally formed protrusions for marking | Marshall V. C. Dressel | 2013-10-22 |
| D680887 | Marking device | Marshall V. C. Dressel | 2013-04-30 |
| D674262 | Cylindrical marking device | Marshall V. C. Dressel | 2013-01-15 |