Issued Patents All Time
Showing 51–75 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4894796 | Automatic transfer switch with programmable display | James L. Lagree | 1990-01-16 |
| 4833565 | Electromagnetic contactor with algorithm controlled closing system | James A. Bauer, Denis A. Mueller, Robert T. Basnett | 1989-05-23 |
| 4757420 | Electromagnetic contactor with wide range overload current relay board utilizing left shifting and method | Gary F. Saletta, John Leddy | 1988-07-12 |
| 4748343 | Electromagnetic contactor with universal control | — | 1988-05-31 |
| 4747061 | Automatic transfer switch for a wide range of source voltage | James L. Lagree | 1988-05-24 |
| 4734639 | Master metering module with voltage selector | Gary F. Saletta, Daniel P. Orange, Denis A. Mueller, Robert T. Elms | 1988-03-29 |
| 4728810 | Electromagnetic contactor with discriminator for determining when an input control signal is true or false and method | — | 1988-03-01 |
| 4722059 | Programmed overcurrent protection control apparatus and method of operating the same | Leonard C. Vercellotti, Richard A. Johnson, Seymour Salowe, William R. Verbanets | 1988-01-26 |
| 4720761 | Electromagnetic contactor with current regulated electromagnetic coil for holding the contacts closed | Gary F. Saletta, John Leddy | 1988-01-19 |
| 4674035 | Supervisory circuit for a programmed processing unit | — | 1987-06-16 |
| 4672227 | Automatic transfer switch with delay | James L. Lagree | 1987-06-09 |
| 4646319 | Bidirectional bus coupler presenting peak impedance at carrier frequency | Dirk J. Boomgaard, Leonard C. Vercellotti | 1987-02-24 |
| 4626831 | Analog signal processing circuit | — | 1986-12-02 |
| 4525650 | Starting and operating method and apparatus for discharge lamps | John M. Hicks, Robert J. Spreadbury, Robert T. Elms, Gary F. Saletta | 1985-06-25 |
| 4503364 | Programming and control device for modified lead ballast for HID lamps | — | 1985-03-05 |
| 4476511 | Circuit interrupter with front panel numeric display | Gary F. Saletta, Robert T. Elms | 1984-10-09 |
| 4471217 | Optical scanning system | — | 1984-09-11 |
| 4455595 | Packaged add-on device for lead-type ballast and luminaire which incorporates such packaged add-on device | Richard Eric Hanson, Kenneth W. Simms, Robert J. Spreadbury | 1984-06-19 |
| 4438369 | Unitary light source comprising compact HID lamp and incandescent ballast filament | John M. Hicks | 1984-03-20 |
| 4428022 | Circuit interrupter with digital trip unit and automatic reset | Bernard Mercier | 1984-01-24 |
| 4351013 | Circuit interrupter with multiple display and parameter entry means | Joseph J. Matsko, John A. Wafer, Bernard Mercier | 1982-09-21 |
| 4351012 | Circuit interrupter with digital trip unit and means to enter trip settings | Robert T. Elms, Bernard Mercier, Gary F. Saletta, John T. Wilson | 1982-09-21 |
| 4338647 | Circuit interrupter with digital trip unit and optically-coupled data input/output system | John T. Wilson, John A. Wafer, Robert T. Elms | 1982-07-06 |
| 4335413 | Circuit interrupter with remote indicator and power supply | John A. Wafer, Bernard Mercier, Joseph J. Matsko | 1982-06-15 |
| 4335437 | Circuit interrupter with energy management functions | John T. Wilson, John A. Wafer | 1982-06-15 |