Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10561880 | Stretching apparatus and method of use | — | 2020-02-18 |
| 10288382 | Sight scope and mounting assembly | — | 2019-05-14 |
| 9974993 | Stretching apparatus and method of use | — | 2018-05-22 |
| 8491025 | Magnet controller for controlling a lifting magnet | Fred Kahl | 2013-07-23 |
| 7848861 | Method and apparatus for providing diagnostics of a lifting magnet system | Fred Kahl | 2010-12-07 |
| 7245471 | Discharge device for inductive devices | Fred Kahl | 2007-07-17 |