Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11745040 | Exercise resistance methods and apparatus | Mark A. Krull | 2023-09-05 |
| 11491363 | Exercise methods and apparatus | Rylie Teeter Leier, Nicholas M. Soller, Christopher Henry Leier, Mark A. Krull | 2022-11-08 |
| 10512812 | Exercise resistance methods and apparatus | Mark A. Krull | 2019-12-24 |
| 10398919 | Exercise methods and apparatus | Mark A. Krull | 2019-09-03 |
| 8998779 | Exercise resistance apparatus | Mark A. Krull | 2015-04-07 |
| 8684892 | Jump ropes and method of assembling jump ropes | Mark A. Krull | 2014-04-01 |
| 8622879 | Exercise shoe methods and apparatus | Mark A. Krull | 2014-01-07 |
| 8556785 | Golf exercise methods and apparatus | Mark A. Krull | 2013-10-15 |
| 8556783 | Exercise resistance methods and apparatus | Mark A. Krull | 2013-10-15 |
| 8523745 | Exercise methods and apparatus | Mark A. Krull | 2013-09-03 |
| 8465401 | Portable exercise apparatus and methods | Mark A. Krull | 2013-06-18 |
| D657009 | Jump rope handle | Mark A. Krull | 2012-04-03 |
| 7087001 | Portable handheld exercise apparatus which can be attached to a multiplicity of body parts | — | 2006-08-08 |
| 6726607 | Portable personal training and exercise device with a cable and pulley mechanism | — | 2004-04-27 |
| D487123 | Handheld exercise device | — | 2004-02-24 |