Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4974418 | Heat pump defrosting operation | Michael R. Levine, James T. Russo, Victor Rigotti | 1990-12-04 |
| 4974417 | Heat pump defrosting operation | Michael R. Levine, James T. Russo, Victor Rigotti | 1990-12-04 |
| 4951473 | Heat pump defrosting operation | Michael R. Levine, James T. Russo, Victor Rigotti | 1990-08-28 |
| 4916912 | Heat pump with adaptive frost determination function | Michael R. Levine, James T. Russo, Victor Rigotti | 1990-04-17 |
| 4910966 | Heat pump with single exterior temperature sensor | Michael R. Levine, James T. Russo, Victor Rigotti | 1990-03-27 |
| 4864513 | Potentiometer setting detection by measuring the ratio of RC time constants | Michael R. Levine, Victor Rigotti, James T. Russo | 1989-09-05 |
| 4841458 | Analog to digital conversion by measuring the ratio of RC time constants | Michael R. Levine, Victor Rigotti, James T. Russo | 1989-06-20 |
| 4829458 | External constant specification in a digital electronic system | James T. Russo, Michael R. Levine, Victor Rigotti | 1989-05-09 |
| 4741476 | Digital electronic thermostat with correction for triac self heating | James T. Russo, Michael R. Levine, Victor Rigotti | 1988-05-03 |