Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6272775 | Rear dumping dragline bucket and rigging system | Don F. Schmidt, DuWayne A. Marthaller, Karl Lemmerman, Dean Bray, William Lengenfelder | 2001-08-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6272775 | Rear dumping dragline bucket and rigging system | Don F. Schmidt, DuWayne A. Marthaller, Karl Lemmerman, Dean Bray, William Lengenfelder | 2001-08-14 |