| 11931623 |
Bicycling exercise apparatus |
Colin Irving, John J. Harrington, Michael S. Lofgren |
2024-03-19 |
| 11395755 |
Method for applying spinal traction |
Michael S. Lofgren, Sean Jeremiah Harrington |
2022-07-26 |
| 11235199 |
Bicycling exercise apparatus |
Colin Irving, John J. Harrington, Michael S. Lofgren |
2022-02-01 |
| 10398934 |
Bicycling exercise apparatus |
Colin Irving, John J. Harrington, Michael S. Lofgren |
2019-09-03 |
| 10278856 |
Back traction device |
Michael S. Lofgren, John J. Harrington |
2019-05-07 |
| 9669257 |
Bicycling exercise apparatus |
Colin Irving, John J. Harrington, Michael S. Lofgren |
2017-06-06 |
| 9440109 |
Bicycling exercise apparatus |
Colin Irving, John J. Harrington, Michael S. Lofgren |
2016-09-13 |
| D725554 |
Battery and dashboard for an electric powered handcycle |
Michael S. Lofgren |
2015-03-31 |
| 8894550 |
Bicycling exercise apparatus |
Colin Irving, John J. Harrington, Michael S. Lofgren |
2014-11-25 |
| D680913 |
Electric powered handcycle |
Michael S. Lofgren |
2013-04-30 |
| 8371992 |
Bicycling exercise apparatus |
Colin Irving, John J. Harrington, Michael S. Lofgren |
2013-02-12 |
| 8047968 |
Simulated climbing and full body exercise and method |
Michael S. Lofgren |
2011-11-01 |
| 8007412 |
Bicycling exercise apparatus |
Michael S. Lofgren, John J. Harrington |
2011-08-30 |
| 7927258 |
Bicycling exercise apparatus |
Colin Irving, John J. Harrington, Michael S. Lofgren |
2011-04-19 |
| 7722071 |
Handcycles |
Michael S. Lofgren |
2010-05-25 |
| 7530932 |
Upper-body exercise cycle |
Michael S. Lofgren, Sean Jeremiah Harrington |
2009-05-12 |
| 5853184 |
Handcycles |
Michael S. Lofgren |
1998-12-29 |
| 5354084 |
Hand propulsion and steering dampening for three-wheel vehicle |
Michael S. Lofgren |
1994-10-11 |
| 4789173 |
Steering method and mechanism for three-wheel vehicle |
Michael S. Lofgren |
1988-12-06 |
| 4572535 |
Tri-supported vehicle |
Michael S. Lofgren |
1986-02-25 |