Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11754219 | Water filter support bracket | — | 2023-09-12 |
| D996190 | Water filter mounting bracket | — | 2023-08-22 |
| 10907737 | Locomotive sanding system | Mark G. Keffeler | 2021-02-02 |
| 10549419 | Wire cutback template | Mark G. Keffeler | 2020-02-04 |
| 10435038 | Locomotive sanding system | Mark G. Keffeler | 2019-10-08 |
| 7793785 | Medication dispenser | Mark G. Keffeler | 2010-09-14 |
| D615208 | Medication cart | Mark G. Keffeler | 2010-05-04 |
| 7395929 | Cover assembly for a medication dispenser | Mark G. Keffeler | 2008-07-08 |
| 7334699 | Filler assembly for medication dispenser | Mark G. Keffeler | 2008-02-26 |
| 7267228 | Cover assembly for a medication dispenser | Mark G. Keffeler | 2007-09-11 |
| 7097037 | Cover assembly for a medication dispenser | Mark G. Keffeler | 2006-08-29 |