Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1069669 | Tire changer mount head | Alexander R. Greenhill, James Hudson | 2025-04-08 |
| 10556780 | Automotive service lift system with vehicle position detection and guidance | Matthew John Zecher, Nicholas J. Colarelli, III | 2020-02-11 |
| 10495540 | Apparatus and method for seating a tire bead on a wheel rim | Joel Clasquin, Charles Polster | 2019-12-03 |
| 9199831 | Deflection resistant combination turn plate and slip plate | William J. Nelgner, Timothy A. Strege, Nicholas J. Colarelli, III | 2015-12-01 |
| 8469152 | Methods and systems for multi-capacity vehicle lift system | Michael Gerdes, Peter N. Liebetreu | 2013-06-25 |
| 7681478 | Method and apparatus for resurfacing brake rotors | Michael Gerdes, Nicholas J. Colarelli, III, Matt Wise, Gerry E. Friton | 2010-03-23 |
| 7640832 | Method and apparatus for resurfacing brake rotors | Michael Gerdes, Nicholas J. Colarelli, III, Matt Wise, Gerry E. Friton | 2010-01-05 |
| 7536936 | Vehicle brake lathe with variable speed motor | Michael Gerdes, Nicholas J. Colarelli, III | 2009-05-26 |
| 7334510 | Vehicle brake lathe with variable speed motor | Michael Gerdes, Nicholas J. Colarelli, III, Alberto Caorle | 2008-02-26 |
| 7308971 | Turn plate and slip plate centering and locking mechanism | Peter N. Liebetreu, Paul Roloff | 2007-12-18 |
| 7283909 | Overlaying orthorectified aerial images with map information tied to a state plane coordinate system | Gary H. Gurr | 2007-10-16 |
| 6189432 | Automotive lift hydraulic fluid control circuit | Nicholas J. Colarelli, III, Paul Roloff | 2001-02-20 |
| 5299658 | Automatic hydraulic lift circuit | Joseph Henry Cox, Richard A. Killeen, Brian K. Hierholzer, Paul Roloff | 1994-04-05 |