Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849754 | Remotely calibratable instrument system | Frederick L. Maltby, Richard Hall, Jonathan L. Kramer, Howard S. Hoopes | 1989-07-18 |
| 4799174 | Multiple set point condition monitoring systems | L. Jonathan Kramer | 1989-01-17 |