Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11823502 | Impact sensing usable with fleet management system | Ronald L. Ziegler, Dean E. Winner, Timothy A. Wellman | 2023-11-21 |
| 10600256 | Impact sensing usable with fleet management system | Ronald L. Ziegler, Dean E. Winner, Timothy A. Wellman | 2020-03-24 |
| 8886378 | System and method for monitoring state of function of a materials handling vehicle | Joe K. Hammer, Ronald L. Ziegler | 2014-11-11 |