Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5492642 | Top of rail lubricating method and composition | Arnold C. Witte, Jr. | 1996-02-20 |
| 5415896 | Railroad wheel flange lubricating method | Arnold C. Witte, Jr., Frank Botz | 1995-05-16 |
| 4648985 | Extreme pressure additives for lubricants | Paul W. Thorsell | 1987-03-10 |
| 4330604 | Fabrication of holograms on plastic substrates | John E. Wreede, Andrejs Graube | 1982-05-18 |