Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D375506 | Work machine having endless ground engaging drive belts | Robert C. Bastian, William C. Boroski, Melvin P. Busch, Jr., Elmer R. Crabb, Alan D. Gustafson +9 more | 1996-11-12 |
| D364879 | Work machine having endless ground engaging drive belts | Robert C. Bastian, William C. Boroski, Melvin P. Busch, Jr., Elmer R. Crabb, Alan D. Gustafson +9 more | 1995-12-05 |
| 4327599 | Blocking mechanism | — | 1982-05-04 |