Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4599185 | Refrigerant additive and method for reducing corrosion in refrigeration systems | Robert H. Krueger | 1986-07-08 |
| 4503099 | Heat transfer surfaces having scale resistant polymer coatings thereon | Franklin S. Chang | 1985-03-05 |