Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9944500 | Material lifting system and method | John R. Burkey, Robert T. Bultema, Stacie Wingfield, Shaun Johnston, Brett R. McCleary | 2018-04-17 |
| 6076752 | Method and apparatus for inert gas purging/temperature control for pulverizing/grinding system | Ralph John Altreche, Carlos Mendez | 2000-06-20 |