Issued Patents All Time
Showing 76–100 of 112 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6010297 | Vehicle restraint and improvements | Mark G. Petri, Scott L. Springer | 2000-01-04 |
| 5964572 | Vehicle restraint | Brian Bender | 1999-10-12 |
| 5882167 | Locking mechanism for a vehicle restraint | Michael A. Swessel | 1999-03-16 |
| 5762459 | Wheel-activated vehicle restraint system | Scott L. Springer, Hans Van De Wiel, Marcel Boon, Frank De Beer | 1998-06-09 |
| 5702223 | Vehicle restraint | Brian Bender | 1997-12-30 |
| 5582498 | Wheel activated vehicle restraint | Scott L. Springer | 1996-12-10 |
| 5546623 | Maintenance strut for dock leveler | — | 1996-08-20 |
| 5453735 | Loading dock signal and control system | — | 1995-09-26 |
| 5442825 | Dock leveler weather seal | William Triervieler, Richard Kellermann, Jeff Schwager | 1995-08-22 |
| 5440772 | Vehicle-activated safety leg control system for a dock leveler assembly | Scott L. Springer, Michael A. Swessel | 1995-08-15 |
| 5375965 | Vehicle restraining device | Scott L. Springer | 1994-12-27 |
| 5311628 | Dock leveler with an improved automatic material handling vehicle barrier | Scott L. Springer | 1994-05-17 |
| 5299386 | Safety gate assembly | Robert W. Naegelli | 1994-04-05 |
| 5271183 | Safety barrier assembly | Gregory S. Hahn, Michael A. Swessel | 1993-12-21 |
| 5212846 | Vehicle restraint | — | 1993-05-25 |
| 5111546 | Dock leveler lift assembly and method for operation | Robert W. Naegeli | 1992-05-12 |
| 4995130 | Dock leveler lift assembly and method for operation | Robert W. Naegeli | 1991-02-26 |
| RE33242 | Device for releasably securing a vehicle to an adjacent support | Steven J. Hipp | 1990-06-26 |
| 4920598 | Dock leveler with automatic vehicle barrier | — | 1990-05-01 |
| RE33154 | Vehicle restraint | Arthur A. Olson, Jr. | 1990-01-30 |
| RE32968 | Vehicle restraint | — | 1989-06-27 |
| 4819770 | Hydraulic control device | — | 1989-04-11 |
| 4744121 | Loading dock and hydraulic system therefor | Michael A. Swessel, Lynn O. Grunewald | 1988-05-17 |
| 4692755 | Loading dock signal and control system | — | 1987-09-08 |
| 4634334 | Vehicle restraint | Arthur A. Olson, Jr. | 1987-01-06 |