Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809129 | Liquid level control system for refrigeration apparatus | John A. Yencho, William J. Barbier, Curtis H. Knapp, Orval Kuhn | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809129 | Liquid level control system for refrigeration apparatus | John A. Yencho, William J. Barbier, Curtis H. Knapp, Orval Kuhn | 1989-02-28 |