Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4926801 | Wet/dry cylinder liner for high output engines | Eugene Eisenberg, James Justin Evans, Ronald H. Collins | 1990-05-22 |
| 4557831 | Centrifugal filter assembly | Willis R. Alexander | 1985-12-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4926801 | Wet/dry cylinder liner for high output engines | Eugene Eisenberg, James Justin Evans, Ronald H. Collins | 1990-05-22 |
| 4557831 | Centrifugal filter assembly | Willis R. Alexander | 1985-12-10 |