Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4599185 | Refrigerant additive and method for reducing corrosion in refrigeration systems | Robert H. Krueger | 1986-07-08 | $25,144,000 |
| 4503099 | Heat transfer surfaces having scale resistant polymer coatings thereon | Franklin S. Chang | 1985-03-05 | $5,000,000 |