| 4974417 |
Heat pump defrosting operation |
Michael R. Levine, James T. Russo, Nicholas Skogler |
1990-12-04 |
| 4974418 |
Heat pump defrosting operation |
Michael R. Levine, James T. Russo, Nicholas Skogler |
1990-12-04 |
| 4951473 |
Heat pump defrosting operation |
Michael R. Levine, James T. Russo, Nicholas Skogler |
1990-08-28 |
| 4916912 |
Heat pump with adaptive frost determination function |
Michael R. Levine, James T. Russo, Nicholas Skogler |
1990-04-17 |
| 4910966 |
Heat pump with single exterior temperature sensor |
Michael R. Levine, James T. Russo, Nicholas Skogler |
1990-03-27 |
| 4864513 |
Potentiometer setting detection by measuring the ratio of RC time constants |
Michael R. Levine, James T. Russo, Nicholas Skogler |
1989-09-05 |
| 4841458 |
Analog to digital conversion by measuring the ratio of RC time constants |
Michael R. Levine, James T. Russo, Nicholas Skogler |
1989-06-20 |
| 4837731 |
System for time programming of states by communicating time data via a continuously rotatable potentiometer |
Matthew Levine, Anthony C. Cairo, James T. Russo, Roger Clark |
1989-06-06 |
| 4829458 |
External constant specification in a digital electronic system |
James T. Russo, Michael R. Levine, Nicholas Skogler |
1989-05-09 |
| 4829457 |
Overload protection circuit for solid state switch |
James T. Russo, Michael R. Levine |
1989-05-09 |
| 4751961 |
Electronic programmable thermostat |
Michael R. Levine, James T. Russo |
1988-06-21 |
| 4741476 |
Digital electronic thermostat with correction for triac self heating |
James T. Russo, Michael R. Levine, Nicholas Skogler |
1988-05-03 |
| 4730941 |
Temperature range display device for electronic thermostat |
Michael R. Levine, James T. Russo, Anthony C. Cairo |
1988-03-15 |
| 4695942 |
Manual switch for altering a parameter in opposite directions based on length of time of switch actuation |
Michael R. Levine, James T. Russo, Anthony C. Cairo |
1987-09-22 |
| 4669654 |
Electronic programmable thermostat |
Michael R. Levine, James T. Russo |
1987-06-02 |
| 4606401 |
Programmable thermostat |
Michael R. Levine, James T. Russo, Anthony C. Cairo |
1986-08-19 |