Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7578926 | Process to enhance oxidation stability of base oils by analysis of olefins using Â1H NMR | Susan M. Abernathy, David Johnson, John M. Rosenbaum | 2009-08-25 |
| D314899 | Orifice tube expander | — | 1991-02-26 |