Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006075 | Electrical receptacle with shuttered prong-receiving openings | — | 1991-04-09 |
| 4865556 | Electrical switch device with non-metallic mounting straps and automatic grounding | Winston Campbell, Emma Levin | 1989-09-12 |
| 4854885 | Electrical outlet receptacle with non-metallic mounting strap and automatic grounding | David Herzfeld | 1989-08-08 |
| 4833439 | Unitary switch and circuit breaker | Emma Levin | 1989-05-23 |
| 4797988 | Method and tool for preparing multi-conductor cable | Yuliy Rushansky | 1989-01-17 |
| 4775332 | Electrical receptacle | David Herzfeld | 1988-10-04 |
| 4688873 | Electrical connector device | Yuliy Rushansky | 1987-08-25 |
| 4505403 | Weatherproof electrical receptacle cover | David Herzfeld | 1985-03-19 |
| 4424406 | Cable entry port means for electrical outlet box | Thomas S. Slater | 1984-01-03 |
| 4414427 | Cable entry port means for electrical outlet box | Thomas S. Slater | 1983-11-08 |
| D270530 | Portable ground fault circuit interrupter | George Hoehne | 1983-09-13 |
| 4389535 | Cable entry port means for electrical outlet box | Thomas S. Slater | 1983-06-21 |
| 4379607 | Shuttered receptacle | — | 1983-04-12 |
| 4366343 | Cable clamp means and cable entry port closure means for electrical outlet boxes and the like | Thomas S. Slater | 1982-12-28 |
| 4348547 | Electrical outlet box with recessed ports | — | 1982-09-07 |
| 4304957 | Electrical outlet box | Thomas S. Slater | 1981-12-08 |
| 4297525 | Electrical outlet box and pawl mounting device | — | 1981-10-27 |