Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D926825 | Spiker anvil head | James Henry Abbey, Andrew P. Dretzka, Nichalos Lee Schultz, Alan John Stager | 2021-08-03 |
| D760808 | Electric rope shovel crowd take-up device | Michael J. Burkard | 2016-07-05 |