Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D401717 | Cargo roller | Randall A. Grueber | 1998-11-24 |
| 4551718 | Method and apparatus for transmitting status information between remote locations | Richard L. Schatzka, Richard A. Echard, Gary W. Scheer | 1985-11-05 |