| 9255418 |
Retractable curtain system |
Troy Knouse |
2016-02-09 |
| 8869711 |
Control system for rail car cover system |
David J. Schaefer, Troy Knouse, Steven J. Knight |
2014-10-28 |
| 8826827 |
Rail car cover system |
David J. Schaefer, Troy Knouse, Steven J. Knight, Nathan P. Dimmer, Kevin J. Kleinsasser |
2014-09-09 |
| 8631746 |
Rail car cover system |
Steve Knight, Timothy Jack Gilmore, David Koerner, Kevin J. Kleinsasser, Dave Schaefer +1 more |
2014-01-21 |
| 7967363 |
Rail car cover system |
David J. Schaefer, Nathan P. Dimmer, Steven J. Knight, Michael P. Krajewski, Kevin J. Kleinsasser +1 more |
2011-06-28 |
| 7823515 |
Rail car cover system |
David J. Schaefer, Nathan P. Dimmer, Steven J. Knight, Michael P. Krajewski, Kevin J. Kleinsasser +1 more |
2010-11-02 |
| 7445264 |
Cover system for truck box |
Michael R. Spencer |
2008-11-04 |
| 6568740 |
Cover system for truck box with fastening means |
— |
2003-05-27 |
| 5924758 |
Roll assist mechanism for tarp systems |
Bradford Paul Swanson |
1999-07-20 |
| 5288123 |
Bow cover |
— |
1994-02-22 |
| 5050728 |
Swather belt connector |
Antonin Pelc |
1991-09-24 |
| RE31746 |
Roll-up tarp for trailers |
William Shorma |
1984-11-27 |
| 4302043 |
Roll-up tarp for trailers |
Gene D. Ponto, Edward F. Shorma, Richard E. Shorma, William Shorma, Duaine L. Miranowski |
1981-11-24 |