| 12352613 |
Dual platform weighing scale technology |
William P. Kroll |
2025-07-08 |
| 11828645 |
Weigh scale technology |
William P. Kroll, Ryan V. Peters |
2023-11-28 |
| 11009385 |
Portable, electronic weigh scale system |
William P. Kroll |
2021-05-18 |
| 10969266 |
Weigh scale technology |
William P. Kroll, Ryan V. Peters |
2021-04-06 |
| D851687 |
Seed tender load cell |
William P. Kroll |
2019-06-18 |
| 9297648 |
Vehicle wheel alignment technology |
William P. Kroll |
2016-03-29 |
| 7423225 |
Weigh in motion technology |
William P. Kroll, Mathew C. Young, Jason Wissink |
2008-09-09 |
| 7137417 |
Tire inflation technology |
William P. Kroll |
2006-11-21 |
| 7119287 |
Platform scale with under-platform mounted load cell protection cases for reducing side forces |
William P. Kroll |
2006-10-10 |
| 6397657 |
Apparatus and method for testing torsion bars |
William P. Kroll, Karl J. F. Kroll |
2002-06-04 |
| 6314657 |
Apparatus and method for gauging the ride height of a vehicle |
William P. Kroll |
2001-11-13 |
| 6199427 |
Apparatus and method for testing leaf springs |
William P. Kroll |
2001-03-13 |
| 5646376 |
Aircraft weighing scale with improved base, platform and load cell mounting assembly |
William P. Kroll, Mark Browne, Tom Bartsch |
1997-07-08 |