Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11273853 | Top of rail resilient bar | Glen Appleby, Matthew Redfield, Charles A. Petrie | 2022-03-15 |
| 9914465 | Top of rail resilient bar | Glen Appleby, Matthew Redfield, Charles A. Petrie | 2018-03-13 |
| 9096242 | Gauge face lubrication | Ward T. Powell, Charles A. Petrie, Matthew Redfield | 2015-08-04 |
| 9022173 | Grease guide | Steven D. Singleton, Thomas W. Urmson, Ward T. Powell, Charles A. Petrie | 2015-05-05 |
| 8550297 | Bulk transfer dispensing device and method | Matthew Jason Baker, Ward T. Powell, Willliam T. Urmson | 2013-10-08 |
| 7798365 | Bulk transfer dispensing device and method | Matthew Jason Baker, Ward T. Powell, W. Thomas Urmson, Jr. | 2010-09-21 |