Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695238 | Non-Metalic roof for a work machine | Michael A. Calamari, Alan A. Davidovich, David G. Surridge | 1997-12-09 |
| D364408 | Wheel loader vehicle | Gary C. Bryant, Alan A. Davidovich, David G. Kupper, Sydney K. Scott, David G. Surridge +1 more | 1995-11-21 |