Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5149453 | Method for detecting leakage in a refrigeration system | — | 1992-09-22 |
| 4758366 | Polyhalogenated hydrocarbon refrigerants and refrigerant oils colored with fluorescent dyes and method for their use as leak detectors | — | 1988-07-19 |
| 4334052 | Rigid, non-cellular polyurethane modified with reaction product of an isocyanate and an alcohol | John T. Patton, Jr., Herwart C. Vogt | 1982-06-08 |