Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1049837 | Storage panel connector | Susan Pieper, Travis Dean, John Koehler | 2024-11-05 |
| D991866 | Mounting device for a shovel | Susan Pieper | 2023-07-11 |
| D973455 | Shovel | Susan Pieper | 2022-12-27 |
| 10110750 | Central station connectivity | Ron Johan, Gabriel Daher, Daniel Ming On Wu | 2018-10-23 |
| 9172601 | Communications links | Ron Johan | 2015-10-27 |
| 8510416 | Communication links | Ron Johan | 2013-08-13 |
| 7561038 | Telemetry system | Ron Johan, Joe Moldovan | 2009-07-14 |
| 7253728 | Telemetry system | Ron Johan, Joe Moldovan | 2007-08-07 |
| 5947592 | Incandescent visual display system | — | 1999-09-07 |
| 5882105 | Visual display lighting system having front and rear access | — | 1999-03-16 |
| 5712650 | Large incandescent live image display system | — | 1998-01-27 |
| 4831842 | Cooling jacket | James T. Kelley | 1989-05-23 |