Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10765286 | Surface maintenance machine | Martin L. Dickrell, Ronald W. Lehman, Jacob L. Stock | 2020-09-08 |
| 10610077 | Surface maintenance machine with a quick eject cleaning tool assembly | — | 2020-04-07 |
| 10456003 | Surface maintenance machine | Martin L. Dickrell, Ronald W. Lehman, Jacob L. Stock, Michael S. Wilmo, Michael M. Dimovski | 2019-10-29 |
| 10405723 | Surface maintenance machine | John C. Ickes, Martin L. Dickrell, Ronald W. Lehman, Jacob L. Stock | 2019-09-10 |