Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11796117 | Tube shielding system | — | 2023-10-24 |
| 10969054 | Tube shielding system | — | 2021-04-06 |
| 9470305 | Variable speed control systems and methods for walk-behind working machines | Scott Kaskawitz, Vincent Andrew Prinzo | 2016-10-18 |
| 9185843 | Variable speed control systems and methods for walk behind working machine | Scott Kaskawitz, Vincent Andrew Prinzo, Arvic Gutierrez Macapagal | 2015-11-17 |
| 9175732 | Variable speed transmission clutch linkage | Christopher Kurt Zingelmann, Jr., Christopher Todd Walker, Tsuyoshi Yoshigasaki, Yasumi Fukuzumi | 2015-11-03 |
| 8141189 | Formed front header for a dock leveler | Michael A. Mitchell, Timothy Muhl, Matthew Tourdot, Jack Morehart, Michael A. Swessel +2 more | 2012-03-27 |
| 7849987 | Centrifugal blade brake clutch apparatuses and methods | Scott Kaskawitz, Christopher Miles Osborne | 2010-12-14 |
| 7681271 | Constant radius dock leveler hinge | Timothy Muhl, Mike Jehn, Pamela Pietrangelo, Michael A. Mitchell, Matthew Tourdot | 2010-03-23 |
| 7546655 | Formed front header for a dock leveler | Michael A. Mitchell, Timothy Muhl, Matthew Tourdot, Jack Morehart, Michael A. Swessel +2 more | 2009-06-16 |
| 7543430 | Button type blade brake clutch control | Scott Kaskawitz | 2009-06-09 |
| 7543429 | Variable speed transmission adjustable twist control apparatuses and methods for self-propelled mowing machine | Scott Kaskawitz, Christopher Miles Osborne | 2009-06-09 |
| 7363670 | Formed front header for a dock leveler | Michael A. Mitchell, Timothy Muhl, Matthew Tourdot, Jack Morehart, Michael A. Swessel +2 more | 2008-04-29 |
| 7216391 | Constant radius dock leveler hinge | Mike Jehn, Pamela Pietrangelo, Michael A. Mitchell, Matthew Tourdot, Timothy Muhl | 2007-05-15 |
| 7062814 | Inflatable column assembly for a dock leveler | Grant Leum, Charles Digmann, Lester W. Paul, Norbert Hahn, Pamela Pietrangelo | 2006-06-20 |
| 6322310 | Slope extension for vehicle restraints | Norbert Hahn, John A. Schiessl | 2001-11-27 |
| 6190109 | Restraining member with recessed shank for a vehicle restraint | — | 2001-02-20 |
| 6116839 | Slope extension for vehicle restraints | Norbert Hahn, John A. Schiessl | 2000-09-12 |
| 5964572 | Vehicle restraint | Norbert Hahn | 1999-10-12 |
| 5702223 | Vehicle restraint | Norbert Hahn | 1997-12-30 |