Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6144537 | Arcing fault and ground fault interrupting device for branch circuits and extensions | — | 2000-11-07 |
| 6132227 | Receptacle assembly with improved enclosure | Michael W. Miller | 2000-10-17 |
| 5793587 | Dual trip level ground fault interrupter | — | 1998-08-11 |
| 5588870 | Electrical cord clamp | Lawrence J. Klein | 1996-12-31 |
| D375080 | Electrical plug body | John L. Sandor | 1996-10-29 |
| D375081 | Electrical connector body | John L. Sandor | 1996-10-29 |
| D374427 | Combined electrical plug and connector bodies | John L. Sandor | 1996-10-08 |
| 5448027 | Safety switched outlet with dead front | Ernest G. Hoffman, John J. Dennison | 1995-09-05 |
| 5422434 | Unitarily constructed carpet flange with self-closing flap covers for a floor box wiring fitting | Emil S. Wuertz, Francis M. DeLash | 1995-06-06 |
| 5338222 | Clamping assembly for electrical cables | — | 1994-08-16 |
| 5336116 | Male electrical plug assembly with increased electrical creepage distance between contacts | — | 1994-08-09 |
| 4947281 | Surge suppression module | — | 1990-08-07 |
| 4686381 | Overhead wiring system | Alfred L. Ehrenfels | 1987-08-11 |
| 4674807 | Shielded connector | Alfred L. Ehrenfels, David L. Lutz | 1987-06-23 |
| 4636017 | Flat conductor cable | — | 1987-01-13 |
| 4631354 | Cover assembly for electrical outlet box | — | 1986-12-23 |
| 4265365 | Moisture resistant electrical outlet box | — | 1981-05-05 |