Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7856770 | Multi-pane glass assembly for a refrigerated display case | Michael D. Grassmuck, Garrick N. McFarland | 2010-12-28 |
| 7318321 | Open-front, roll-in refrigerated display case | Michael D. Grassmuck, Martin Duffy, Dennis L. Dickerson, Aaron Hernandez | 2008-01-15 |