| 9418349 |
Fitness facility equipment usage control system |
Robert J. Silbernagel, Susan W. M. Bell, James S. Birrell |
2016-08-16 |
| 8944961 |
Fitness facility equipment usage control system |
Robert J. Silbernagel, Susan W. M. Bell, James S. Birrell |
2015-02-03 |
| 8882637 |
Fitness facility equipment distribution management |
Robert J. Silbernagel, Susan W. M. Bell, James S. Birrell |
2014-11-11 |
| 8419593 |
Fitness facility equipment usage control system and method |
Robert J. Silbernagel, Susan W. M. Bell, James S. Birrell |
2013-04-16 |
| 8157706 |
Fitness facility equipment usage control system and method |
Robert J. Silbernagel, Susan W. M. Bell, James S. Birrell |
2012-04-17 |
| 7988599 |
Service tracking and alerting system for fitness equipment |
Robert J. Silbernagel, Susan W. M. Bell |
2011-08-02 |
| 7621846 |
Service tracking and alerting system for fitness equipment |
Robert J. Silbernagel, Susan W. M. Bell |
2009-11-24 |