Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11407197 | Multi-layer exercise mat | David P. Natorski, Jim Labrake, David Sherman | 2022-08-09 |
| 6844300 | Low phosphorus clean gear formulations | Jeffrey L. Milner, Roger M. Sheets, David R. Ellis | 2005-01-18 |
| 6184186 | Lubricating compositions | Helen T. Ryan, Craig Paterson | 2001-02-06 |
| 5342531 | Polyalkylene glycol lubricant compositions | David K. Walters | 1994-08-30 |
| 5126064 | Lubricant compositions | Charles J. Dain, David K. Walters | 1992-06-30 |
| 4305834 | Lubricating composition containing emulsion-sludge inhibitors | David K. Walters | 1981-12-15 |
| 4305835 | Lubricating composition containing emulsion-sludge inhibitors | David K. Walters | 1981-12-15 |