| 6758006 |
Fishing information device and method of using same |
Peter Lee LaFleur Walls, Richard Dreher |
2004-07-06 |
| 6676360 |
Vehicle restraining device |
Norbert Hahn |
2004-01-13 |
| 6584722 |
Fishing information device and method of using same |
Peter Lee LaFleur Walls, Richard Dreher |
2003-07-01 |
| 6524053 |
Manually positioned wheel chocking apparatus |
Norbert Hahn |
2003-02-25 |
| 6435794 |
Force display master interface device for teleoperation |
— |
2002-08-20 |
| 6394738 |
Automatic outrigger for a vehicle |
— |
2002-05-28 |
| RE37570 |
Wheel-activated vehicle restraint system |
Norbert Hahn, Hans Van De Wiel, Marcel Boon, Frank De Beer |
2002-03-05 |
| 6311352 |
Self-unlatching dock leveler lip with dampened descent |
— |
2001-11-06 |
| 6276016 |
Safety leg system for dock leveler |
— |
2001-08-21 |
| 6238163 |
Vehicle restraining device |
Norbert Hahn |
2001-05-29 |
| 6092970 |
Manually positioned wheel chocking apparatus |
Norbert Hahn |
2000-07-25 |
| 6010297 |
Vehicle restraint and improvements |
Norbert Hahn, Mark G. Petri |
2000-01-04 |
| 5762459 |
Wheel-activated vehicle restraint system |
Norbert Hahn, Hans Van De Wiel, Marcel Boon, Frank De Beer |
1998-06-09 |
| 5582498 |
Wheel activated vehicle restraint |
Norbert Hahn |
1996-12-10 |
| 5531557 |
Drive screw system with nested mobile supports |
— |
1996-07-02 |
| 5440772 |
Vehicle-activated safety leg control system for a dock leveler assembly |
Norbert Hahn, Michael A. Swessel |
1995-08-15 |
| 5375965 |
Vehicle restraining device |
Norbert Hahn |
1994-12-27 |
| 5323503 |
Lip extension and control device for dock levelers |
— |
1994-06-28 |
| 5311628 |
Dock leveler with an improved automatic material handling vehicle barrier |
Norbert Hahn |
1994-05-17 |
| 5297921 |
Releasable locking device |
David A. Spence |
1994-03-29 |