| 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 |